NF density tests with dtc=0.5 and dtcr=2

Change-Id: Icff556142280ad0b6261e0a2bfb71672ee6b3807
Signed-off-by: Peter Mikus <pmikus@cisco.com>

39 files changed, 5138 insertions, 0 deletions

diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..99c5cda637
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 10R1C | 10VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 20 vhost 10 chains 10 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-10c1n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${10} | nf_nodes=${1}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${10} | nf_nodes=${1} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-10ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..ec2c0aada8
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 10R1C | 10VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 20 vhost 10 chains 10 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-10c1n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${10} | nf_nodes=${1}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${10} | nf_nodes=${1} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-10ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..ae78f0b1db
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 1R6C | 6VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 12 vhost 1 chain 6 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-1c6n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${1} | nf_nodes=${6}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${1} | nf_nodes=${6} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-1ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..b6cd526a48
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 1R6C | 6VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 12 vhost 1 chain 6 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-1c6n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${1} | nf_nodes=${6}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${1} | nf_nodes=${6} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-1ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..1bff538e49
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 1R8C | 8VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 16 vhost 1 chain 8 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-1c8n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${1} | nf_nodes=${8}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${1} | nf_nodes=${8} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-1ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..8cdff1aa72
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 1R8C | 8VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 16 vhost 1 chain 8 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-1c8n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${1} | nf_nodes=${8}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${1} | nf_nodes=${8} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-1ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..eda55f4130
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 1R10C | 10VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 20 vhost 1 chain 10 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-1c10n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${1} | nf_nodes=${10}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${1} | nf_nodes=${10} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-1ch-20vh-10vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..934082fb53
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 1R10C | 10VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 20 vhost 1 chain 10 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-1c10n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${1} | nf_nodes=${10}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${1} | nf_nodes=${10} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-1ch-20vh-10vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..8200434094
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 1R1C | 1VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 2 vhost 1 chain 1 VM*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-1c1n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${1} | nf_nodes=${1}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${1} | nf_nodes=${1} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-1ch-2vh-1vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..01a992c2dd
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 1R1C | 1VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 2 vhost 1 chain 1 VM*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-1c1n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${1} | nf_nodes=${1}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${1} | nf_nodes=${1} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-1ch-2vh-1vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..e2b5f3de9f
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 1R2C | 2VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 4 vhost 1 chain 2 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-1c2n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${1} | nf_nodes=${2}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${1} | nf_nodes=${2} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-1ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..6e787a23d9
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 1R2C | 2VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 4 vhost 1 chain 2 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-1c2n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${1} | nf_nodes=${2}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${1} | nf_nodes=${2} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-1ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..857989e6bd
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 1R4C | 4VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 8 vhost 1 chains 4 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-1c4n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${1} | nf_nodes=${4}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${1} | nf_nodes=${4} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-1ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..2e61dc5be5
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 1R4C | 4VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 8 vhost 1 chains 4 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-1c4n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${1} | nf_nodes=${4}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${1} | nf_nodes=${4} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-1ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..0aa8e8923b
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 2R4C | 8VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 16 vhost 2 chains 8 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-2c4n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${2} | nf_nodes=${4}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${2} | nf_nodes=${4} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-2ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..9de7998ec0
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 2R4C | 8VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 16 vhost 2 chains 8 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-2c4n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${2} | nf_nodes=${4}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${2} | nf_nodes=${4} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-2ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..3915b39100
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 2R6C | 12VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 24 vhost 2 chains 12 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-2c6n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${2} | nf_nodes=${6}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${2} | nf_nodes=${6} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-2ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..1f76412b18
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 2R6C | 12VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 24 vhost 2 chains 12 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-2c6n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${2} | nf_nodes=${6}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${2} | nf_nodes=${6} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-2ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..2d80164991
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 2R8C | 16VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 32 vhost 2 chains 16 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-2c8n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${2} | nf_nodes=${8}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${2} | nf_nodes=${8} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-2ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-32vh-16vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-32vh-16vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..0fb2ce1603
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-32vh-16vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,120 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 2R8C | 16VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 32 vhost 2 chains 16 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-2c8n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${2} | nf_nodes=${8}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${2} | nf_nodes=${8} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-2ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-2ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc04-1518B-1c-eth-l2bd-2ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-2ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc07-9000B-1c-eth-l2bd-2ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-2ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc10-IMIX-1c-eth-l2bd-2ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-2ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..5257ff08b5
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 2R1C | 2VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 4 vhost 2 chains 2 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-2c1n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${2} | nf_nodes=${1}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${2} | nf_nodes=${1} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-2ch-4vh-2vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..b9c6dd7537
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 2R1C | 2VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 4 vhost 2 chains 2 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-2c1n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${2} | nf_nodes=${1}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${2} | nf_nodes=${1} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-2ch-4vh-2vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..9a035a27fc
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 2R2C | 4VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 8 vhost 2 chains 4 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-2c2n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${2} | nf_nodes=${2}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${2} | nf_nodes=${2} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-2ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..e621e502b9
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 2R2C | 4VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 8 vhost 2 chains 4 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-2c2n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${2} | nf_nodes=${2}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${2} | nf_nodes=${2} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-2ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..923af98cf6
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 4R2C | 8VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 16 vhost 4 chains 8 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-4c2n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${4} | nf_nodes=${2}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${4} | nf_nodes=${2} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-4ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..c841a90739
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 4R2C | 8VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 16 vhost 4 chains 8 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-4c2n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${4} | nf_nodes=${2}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${4} | nf_nodes=${2} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-4ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..400bd2274c
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 4R4C | 16VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 32 vhost 4 chains 16 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-4c4n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${4} | nf_nodes=${4}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${4} | nf_nodes=${4} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-4ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-32vh-16vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-32vh-16vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..f6569d5712
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-32vh-16vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,120 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 4R4C | 16VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 32 vhost 4 chains 16 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-4c4n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${4} | nf_nodes=${4}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${4} | nf_nodes=${4} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-4ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-4ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc04-1518B-1c-eth-l2bd-4ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-4ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc07-9000B-1c-eth-l2bd-4ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-4ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc10-IMIX-1c-eth-l2bd-4ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-4ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..20d99015ea
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 4R1C | 4VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 8 vhost 4 chains 4 VM*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-4c1n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${4} | nf_nodes=${1}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${4} | nf_nodes=${1} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-4ch-8vh-4vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..eb696acc6b
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 4R1C | 4VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 8 vhost 4 chains 4 VM*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-4c1n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${4} | nf_nodes=${1}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${4} | nf_nodes=${1} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-4ch-8vh-4vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..36e69e6e64
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 6R1C | 6VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 12 vhost 6 chains 6 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-6c1n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${6} | nf_nodes=${1}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${6} | nf_nodes=${1} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-6ch-12vh-6vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..9e6d7b8cf5
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 6R1C | 6VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 12 vhost 6 chains 6 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-6c1n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${6} | nf_nodes=${1}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${6} | nf_nodes=${1} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-6ch-12vh-6vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..00ce5360ff
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 6R2C | 12VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 24 vhost 6 chains 12 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-6c2n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${6} | nf_nodes=${2}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${6} | nf_nodes=${2} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-6ch-24vh-12vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..2daeae488a
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 6R2C | 12VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 24 vhost 6 chains 12 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-6c2n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${6} | nf_nodes=${2}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${6} | nf_nodes=${2} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-6ch-24vh-12vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..0459689ea9
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 8R1C | 8VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 16 vhost 8 chains 8 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-8c1n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${8} | nf_nodes=${1}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${8} | nf_nodes=${1} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-8ch-16vh-8vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..7da25a3ab5
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 8R1C | 8VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 16 vhost 8 chains 8 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-8c1n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${8} | nf_nodes=${1}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${8} | nf_nodes=${1} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-8ch-16vh-8vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..4bbdacaead
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr.robot
@@ -0,0 +1,136 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 8R2C | 16VM1T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 32 vhost 8 chains 16 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-8c2n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${8} | nf_nodes=${2}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${8} | nf_nodes=${2} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-eth-l2bd-8ch-32vh-16vm1t-vppip4-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-8ch-32vh-16vm2t-vppip4-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-8ch-32vh-16vm2t-vppip4-ndrpdr.robot
new file mode 100644
index 0000000000..73fdb5495e
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/2n-10ge2p1x710-eth-l2bd-8ch-32vh-16vm2t-vppip4-ndrpdr.robot
@@ -0,0 +1,120 @@
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance/performance_setup.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | VM
+| ... | VHOST_1024 | NF_DENSITY | NF_VPPIP4 | CHAIN | 8R2C | 16VM2T
+| ...
+| Suite Setup | Set up 2-node performance topology with DUT's NIC model
+| ... | L3 | ${nic_name}
+| Suite Teardown | Tear down 2-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance test with vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation
+| ... | *RFC2544: Pkt throughput L2BD test cases with 32 vhost 8 chains 16 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge-\
+| ... | domain and MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP IPv4 interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, 254 flows per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static\
+| ... | payload. MAC addresses are matching MAC addresses of NFs nodes\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${0}
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n3n-ethip4-ip4src254-8c2n
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| | ...
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| | ...
+| | Set Test Variable | \${frame_size}
+| | ...
+| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${8} | nf_nodes=${2}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${8} | nf_nodes=${2} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=vpp_chain_ip4
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-eth-l2bd-8ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-eth-l2bd-8ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc04-1518B-1c-eth-l2bd-8ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-eth-l2bd-8ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc07-9000B-1c-eth-l2bd-8ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-eth-l2bd-8ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc10-IMIX-1c-eth-l2bd-8ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-eth-l2bd-8ch-32vh-16vm2t-vppip4-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain/regenerate_testcases.py b/tests/vpp/perf/nfv_density/vm_vhost/chain/regenerate_testcases.py
new file mode 100755
index 0000000000..2632018a80
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain/regenerate_testcases.py
@@ -0,0 +1,18 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2019 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from resources.libraries.python.autogen.Regenerator import Regenerator
+
+Regenerator().regenerate_glob("*.robot")