Add: NF_density combinations

Signed-off-by: Peter Mikus <pmikus@cisco.com>
Change-Id: I9ba859cf8ecb2d65c90ec7c6f75dc3e353e74de9
(cherry picked from commit baa47eee42b9b1f5fd4d19f0d4549f3baeac8354)

12 files changed, 894 insertions, 6 deletions

diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr.robot
new file mode 100644
index 0000000000..beea4025a4
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr.robot
@@ -0,0 +1,148 @@
+# 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/shared/default.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | L2BDMACLRN | ENCAP | VXLAN | L2OVRLAY | IP4UNRLAY
+| ... | VHOST | VM | VHOST_1024 | VXLAN | DOT1Q | NF_DENSITY | NF_TESTPMD
+| ... | CHAIN | 10R1C | 10VM1T
+| ...
+| Suite Setup | Setup suite single link | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test
+| Test Teardown | Tear down test | performance | vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation | *RFC2544: Packet throughput L2BD test cases with Dot1Q and
+| ... | VXLANoIPv4 and 20 vhosts 10 chains 10 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Dot1q-IPv4-UDP-VXLAN-Eth-IPv4 for L2\
+| ... | switching of IPv4. Dot1q-IPv4-UDP-VXLAN-Eth-IPv4 is applied on link\
+| ... | between DUT1 and TG.
+| ... | *[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 testpmd l2xc\
+| ... | 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, 256 flows per\
+| ... | flow-group) with all packets containing Ethernet header with .1Q, IPv4\
+| ... | header, UPD header, VXLAN header and static payload. MAC addresses are\
+| ... | matching MAC addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544, RFC7348.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so
+| ${osi_layer}= | L3
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${54}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+| ${nf_chains}= | ${10}
+| ${nf_nodes}= | ${1}
+# Traffic profile:
+| ${traffic_profile}=
+| ... | trex-sl-dot1qip4vxlan-ip4src${nf_chains}udpsrcrnd
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs Dot1Q-IP4-Vxlan 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 worker threads to be used. Type: integer
+| | ... | - rxq - Number of Rx queues to be used. 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} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | And Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer interface
+| | ... | count=${nf_chains}
+| | And Initialize layer dot1q
+| | ... | count=${nf_chains} | create=${False}
+| | And Initialize layer ip4vxlan
+| | ... | count=${nf_chains}
+| | And Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=testpmd_io
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-118B-1c-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 1C
+| | frame_size=${118} | phy_cores=${1}
+
+| tc02-118B-2c-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 2C
+| | frame_size=${118} | phy_cores=${2}
+
+| tc03-118B-4c-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 4C
+| | frame_size=${118} | phy_cores=${4}
+
+| tc04-1518B-1c-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-dot1qip4vxlan-l2bd-10ch-20vh-10vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-10ch-20vh-10vm2t-testpmd-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-10ch-20vh-10vm2t-testpmd-ndrpdr.robot
index e5d2c3cdea..290a7f31c3 100644
--- a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-10ch-20vh-10vm2t-testpmd-ndrpdr.robot
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-10ch-20vh-10vm2t-testpmd-ndrpdr.robot
@@ -27,7 +27,7 @@
 | Test Template | Local Template
 | ...
 | Documentation | *RFC2544: Packet throughput L2BD test cases with Dot1Q and
-| ... | VXLANoIPv4 and vhost*
+| ... | VXLANoIPv4 and 20 vhosts 10 chains 10 VMs*
 | ...
 | ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
 | ... | with single links between nodes.
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr.robot
new file mode 100644
index 0000000000..408ee665a2
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr.robot
@@ -0,0 +1,148 @@
+# 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/shared/default.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | L2BDMACLRN | ENCAP | VXLAN | L2OVRLAY | IP4UNRLAY
+| ... | VHOST | VM | VHOST_1024 | VXLAN | DOT1Q | NF_DENSITY | NF_TESTPMD
+| ... | CHAIN | 1R1C | 1VM1T
+| ...
+| Suite Setup | Setup suite single link | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test
+| Test Teardown | Tear down test | performance | vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation | *RFC2544: Packet throughput L2BD test cases with Dot1Q and
+| ... | VXLANoIPv4 and 2 vhosts 1 chain 1 VM*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Dot1q-IPv4-UDP-VXLAN-Eth-IPv4 for L2\
+| ... | switching of IPv4. Dot1q-IPv4-UDP-VXLAN-Eth-IPv4 is applied on link\
+| ... | between DUT1 and TG.
+| ... | *[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 testpmd l2xc\
+| ... | 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, 256 flows per\
+| ... | flow-group) with all packets containing Ethernet header with .1Q, IPv4\
+| ... | header, UPD header, VXLAN header and static payload. MAC addresses are\
+| ... | matching MAC addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544, RFC7348.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so
+| ${osi_layer}= | L3
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${54}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+| ${nf_chains}= | ${1}
+| ${nf_nodes}= | ${1}
+# Traffic profile:
+| ${traffic_profile}=
+| ... | trex-sl-dot1qip4vxlan-ip4src${nf_chains}udpsrcrnd
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs Dot1Q-IP4-Vxlan 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 worker threads to be used. Type: integer
+| | ... | - rxq - Number of Rx queues to be used. 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} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | And Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer interface
+| | ... | count=${nf_chains}
+| | And Initialize layer dot1q
+| | ... | count=${nf_chains} | create=${False}
+| | And Initialize layer ip4vxlan
+| | ... | count=${nf_chains}
+| | And Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${false} | vnf=testpmd_io
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-118B-1c-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 1C
+| | frame_size=${118} | phy_cores=${1}
+
+| tc02-118B-2c-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 2C
+| | frame_size=${118} | phy_cores=${2}
+
+| tc03-118B-4c-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 4C
+| | frame_size=${118} | phy_cores=${4}
+
+| tc04-1518B-1c-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-dot1qip4vxlan-l2bd-1ch-2vh-1vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-1ch-2vh-1vm2t-testpmd-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-1ch-2vh-1vm2t-testpmd-ndrpdr.robot
index dc9f26bc62..b6873823b2 100644
--- a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-1ch-2vh-1vm2t-testpmd-ndrpdr.robot
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-1ch-2vh-1vm2t-testpmd-ndrpdr.robot
@@ -27,7 +27,7 @@
 | Test Template | Local Template
 | ...
 | Documentation | *RFC2544: Packet throughput L2BD test cases with Dot1Q and
-| ... | VXLANoIPv4 and vhost*
+| ... | VXLANoIPv4 and 2 vhosts 1 chain 1 VM*
 | ...
 | ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
 | ... | with single links between nodes.
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr.robot
new file mode 100644
index 0000000000..54ad6d8ef4
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr.robot
@@ -0,0 +1,148 @@
+# 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/shared/default.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | L2BDMACLRN | ENCAP | VXLAN | L2OVRLAY | IP4UNRLAY
+| ... | VHOST | VM | VHOST_1024 | VXLAN | DOT1Q | NF_DENSITY | NF_TESTPMD
+| ... | CHAIN | 2R1C | 2VM1T
+| ...
+| Suite Setup | Setup suite single link | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test
+| Test Teardown | Tear down test | performance | vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation | *RFC2544: Packet throughput L2BD test cases with Dot1Q and
+| ... | VXLANoIPv4 and 4 vhosts 2 chains 2 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Dot1q-IPv4-UDP-VXLAN-Eth-IPv4 for L2\
+| ... | switching of IPv4. Dot1q-IPv4-UDP-VXLAN-Eth-IPv4 is applied on link\
+| ... | between DUT1 and TG.
+| ... | *[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 testpmd l2xc\
+| ... | 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, 256 flows per\
+| ... | flow-group) with all packets containing Ethernet header with .1Q, IPv4\
+| ... | header, UPD header, VXLAN header and static payload. MAC addresses are\
+| ... | matching MAC addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544, RFC7348.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so
+| ${osi_layer}= | L3
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${54}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+| ${nf_chains}= | ${2}
+| ${nf_nodes}= | ${1}
+# Traffic profile:
+| ${traffic_profile}=
+| ... | trex-sl-dot1qip4vxlan-ip4src${nf_chains}udpsrcrnd
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs Dot1Q-IP4-Vxlan 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 worker threads to be used. Type: integer
+| | ... | - rxq - Number of Rx queues to be used. 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} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | And Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer interface
+| | ... | count=${nf_chains}
+| | And Initialize layer dot1q
+| | ... | count=${nf_chains} | create=${False}
+| | And Initialize layer ip4vxlan
+| | ... | count=${nf_chains}
+| | And Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=testpmd_io
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-118B-1c-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 1C
+| | frame_size=${118} | phy_cores=${1}
+
+| tc02-118B-2c-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 2C
+| | frame_size=${118} | phy_cores=${2}
+
+| tc03-118B-4c-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 4C
+| | frame_size=${118} | phy_cores=${4}
+
+| tc04-1518B-1c-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-dot1qip4vxlan-l2bd-2ch-4vh-2vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-2ch-4vh-2vm2t-testpmd-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-2ch-4vh-2vm2t-testpmd-ndrpdr.robot
index b97b34cb5f..0b4e69f3b9 100644
--- a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-2ch-4vh-2vm2t-testpmd-ndrpdr.robot
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-2ch-4vh-2vm2t-testpmd-ndrpdr.robot
@@ -27,7 +27,7 @@
 | Test Template | Local Template
 | ...
 | Documentation | *RFC2544: Packet throughput L2BD test cases with Dot1Q and
-| ... | VXLANoIPv4 and vhost*
+| ... | VXLANoIPv4 and 4 vhost 2 chains 2 VMs*
 | ...
 | ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
 | ... | with single links between nodes.
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr.robot
new file mode 100644
index 0000000000..df9f217046
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr.robot
@@ -0,0 +1,148 @@
+# 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/shared/default.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | L2BDMACLRN | ENCAP | VXLAN | L2OVRLAY | IP4UNRLAY
+| ... | VHOST | VM | VHOST_1024 | VXLAN | DOT1Q | NF_DENSITY | NF_TESTPMD
+| ... | CHAIN | 4R1C | 4VM1T
+| ...
+| Suite Setup | Setup suite single link | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test
+| Test Teardown | Tear down test | performance | vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation | *RFC2544: Packet throughput L2BD test cases with Dot1Q and
+| ... | VXLANoIPv4 and 8 vhosts 4 chains 4 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Dot1q-IPv4-UDP-VXLAN-Eth-IPv4 for L2\
+| ... | switching of IPv4. Dot1q-IPv4-UDP-VXLAN-Eth-IPv4 is applied on link\
+| ... | between DUT1 and TG.
+| ... | *[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 testpmd l2xc\
+| ... | 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, 256 flows per\
+| ... | flow-group) with all packets containing Ethernet header with .1Q, IPv4\
+| ... | header, UPD header, VXLAN header and static payload. MAC addresses are\
+| ... | matching MAC addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544, RFC7348.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so
+| ${osi_layer}= | L3
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${54}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+| ${nf_chains}= | ${4}
+| ${nf_nodes}= | ${1}
+# Traffic profile:
+| ${traffic_profile}=
+| ... | trex-sl-dot1qip4vxlan-ip4src${nf_chains}udpsrcrnd
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs Dot1Q-IP4-Vxlan 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 worker threads to be used. Type: integer
+| | ... | - rxq - Number of Rx queues to be used. 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} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | And Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer interface
+| | ... | count=${nf_chains}
+| | And Initialize layer dot1q
+| | ... | count=${nf_chains} | create=${False}
+| | And Initialize layer ip4vxlan
+| | ... | count=${nf_chains}
+| | And Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=testpmd_io
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-118B-1c-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 1C
+| | frame_size=${118} | phy_cores=${1}
+
+| tc02-118B-2c-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 2C
+| | frame_size=${118} | phy_cores=${2}
+
+| tc03-118B-4c-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 4C
+| | frame_size=${118} | phy_cores=${4}
+
+| tc04-1518B-1c-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-dot1qip4vxlan-l2bd-4ch-8vh-4vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-4ch-8vh-4vm2t-testpmd-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-4ch-8vh-4vm2t-testpmd-ndrpdr.robot
index be067f28ea..469de8fde0 100644
--- a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-4ch-8vh-4vm2t-testpmd-ndrpdr.robot
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-4ch-8vh-4vm2t-testpmd-ndrpdr.robot
@@ -27,7 +27,7 @@
 | Test Template | Local Template
 | ...
 | Documentation | *RFC2544: Packet throughput L2BD test cases with Dot1Q and
-| ... | VXLANoIPv4 and vhost*
+| ... | VXLANoIPv4 and 8 vhosts 4 chains 4 VMs*
 | ...
 | ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
 | ... | with single links between nodes.
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr.robot
new file mode 100644
index 0000000000..318e0bbe55
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr.robot
@@ -0,0 +1,148 @@
+# 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/shared/default.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | L2BDMACLRN | ENCAP | VXLAN | L2OVRLAY | IP4UNRLAY
+| ... | VHOST | VM | VHOST_1024 | VXLAN | DOT1Q | NF_DENSITY | NF_TESTPMD
+| ... | CHAIN | 6R1C | 6VM1T
+| ...
+| Suite Setup | Setup suite single link | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test
+| Test Teardown | Tear down test | performance | vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation | *RFC2544: Packet throughput L2BD test cases with Dot1Q and
+| ... | VXLANoIPv4 and 12 vhosts 6 chains 6 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Dot1q-IPv4-UDP-VXLAN-Eth-IPv4 for L2\
+| ... | switching of IPv4. Dot1q-IPv4-UDP-VXLAN-Eth-IPv4 is applied on link\
+| ... | between DUT1 and TG.
+| ... | *[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 testpmd l2xc\
+| ... | 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, 256 flows per\
+| ... | flow-group) with all packets containing Ethernet header with .1Q, IPv4\
+| ... | header, UPD header, VXLAN header and static payload. MAC addresses are\
+| ... | matching MAC addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544, RFC7348.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so
+| ${osi_layer}= | L3
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${54}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+| ${nf_chains}= | ${6}
+| ${nf_nodes}= | ${1}
+# Traffic profile:
+| ${traffic_profile}=
+| ... | trex-sl-dot1qip4vxlan-ip4src${nf_chains}udpsrcrnd
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs Dot1Q-IP4-Vxlan 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 worker threads to be used. Type: integer
+| | ... | - rxq - Number of Rx queues to be used. 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} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | And Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer interface
+| | ... | count=${nf_chains}
+| | And Initialize layer dot1q
+| | ... | count=${nf_chains} | create=${False}
+| | And Initialize layer ip4vxlan
+| | ... | count=${nf_chains}
+| | And Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=testpmd_io
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-118B-1c-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 1C
+| | frame_size=${118} | phy_cores=${1}
+
+| tc02-118B-2c-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 2C
+| | frame_size=${118} | phy_cores=${2}
+
+| tc03-118B-4c-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 4C
+| | frame_size=${118} | phy_cores=${4}
+
+| tc04-1518B-1c-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-dot1qip4vxlan-l2bd-6ch-12vh-6vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-6ch-12vh-6vm2t-testpmd-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-6ch-12vh-6vm2t-testpmd-ndrpdr.robot
index 17a1f3fd9d..e7b9800662 100644
--- a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-6ch-12vh-6vm2t-testpmd-ndrpdr.robot
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-6ch-12vh-6vm2t-testpmd-ndrpdr.robot
@@ -27,7 +27,7 @@
 | Test Template | Local Template
 | ...
 | Documentation | *RFC2544: Packet throughput L2BD test cases with Dot1Q and
-| ... | VXLANoIPv4 and vhost*
+| ... | VXLANoIPv4 and 12 vhosts 6 chains 6 VMs*
 | ...
 | ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
 | ... | with single links between nodes.
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr.robot
new file mode 100644
index 0000000000..88f3f8cf90
--- /dev/null
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr.robot
@@ -0,0 +1,148 @@
+# 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/shared/default.robot
+| ...
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | L2BDMACLRN | ENCAP | VXLAN | L2OVRLAY | IP4UNRLAY
+| ... | VHOST | VM | VHOST_1024 | VXLAN | DOT1Q | NF_DENSITY | NF_TESTPMD
+| ... | CHAIN | 8R1C | 8VM1T
+| ...
+| Suite Setup | Setup suite single link | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test
+| Test Teardown | Tear down test | performance | vhost
+| ...
+| Test Template | Local Template
+| ...
+| Documentation | *RFC2544: Packet throughput L2BD test cases with Dot1Q and
+| ... | VXLANoIPv4 and 16 vhost 8 chains 8 VMs*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Dot1q-IPv4-UDP-VXLAN-Eth-IPv4 for L2\
+| ... | switching of IPv4. Dot1q-IPv4-UDP-VXLAN-Eth-IPv4 is applied on link\
+| ... | between DUT1 and TG.
+| ... | *[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 testpmd l2xc\
+| ... | 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, 256 flows per\
+| ... | flow-group) with all packets containing Ethernet header with .1Q, IPv4\
+| ... | header, UPD header, VXLAN header and static payload. MAC addresses are\
+| ... | matching MAC addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544, RFC7348.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so
+| ${osi_layer}= | L3
+| ${nic_name}= | Intel-X710
+| ${overhead}= | ${54}
+| ${nf_dtcr}= | ${2}
+| ${nf_dtc}= | ${0.5}
+| ${nf_chains}= | ${8}
+| ${nf_nodes}= | ${1}
+# Traffic profile:
+| ${traffic_profile}=
+| ... | trex-sl-dot1qip4vxlan-ip4src${nf_chains}udpsrcrnd
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs Dot1Q-IP4-Vxlan 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 worker threads to be used. Type: integer
+| | ... | - rxq - Number of Rx queues to be used. 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} | ${rxq}
+| | And Add PCI devices to all DUTs
+| | And Set Max Rate And Jumbo And Handle Multi Seg
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer interface
+| | ... | count=${nf_chains}
+| | And Initialize layer dot1q
+| | ... | count=${nf_chains} | create=${False}
+| | And Initialize layer ip4vxlan
+| | ... | count=${nf_chains}
+| | And Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${False} | vnf=testpmd_io
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-118B-1c-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 1C
+| | frame_size=${118} | phy_cores=${1}
+
+| tc02-118B-2c-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 2C
+| | frame_size=${118} | phy_cores=${2}
+
+| tc03-118B-4c-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr
+| | [Tags] | 118B | 4C
+| | frame_size=${118} | phy_cores=${4}
+
+| tc04-1518B-1c-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-dot1qip4vxlan-l2bd-8ch-16vh-8vm1t-testpmd-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-8ch-16vh-8vm2t-testpmd-ndrpdr.robot b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-8ch-16vh-8vm2t-testpmd-ndrpdr.robot
index cebe6b2969..3c5764ddcc 100644
--- a/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-8ch-16vh-8vm2t-testpmd-ndrpdr.robot
+++ b/tests/vpp/perf/nfv_density/vm_vhost/chain_dot1qip4vxlan/2n-10ge2p1x710-dot1qip4vxlan-l2bd-8ch-16vh-8vm2t-testpmd-ndrpdr.robot
@@ -27,7 +27,7 @@
 | Test Template | Local Template
 | ...
 | Documentation | *RFC2544: Packet throughput L2BD test cases with Dot1Q and
-| ... | VXLANoIPv4 and vhost*
+| ... | VXLANoIPv4 and 16 vhosts 8 chains 8 VMs*
 | ...
 | ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
 | ... | with single links between nodes.