VPP_Device - add baseline tests - part I

CSIT-1370

Add following baseline tests to VPP_Device:
- ip4
  eth2p-ethip4-ip4base-dev
- ip6
  eth2p-ethip6-ip6base-dev
- l2bd
  eth2p-eth-l2bdbasemaclrn-dev

Change-Id: Ic20000eb38c5511c27d020f3aa76b2620d7f7ef9
Signed-off-by: Jan Gelety <jgelety@cisco.com>

2 files changed, 478 insertions, 64 deletions

diff --git a/resources/libraries/robot/ip/ip4.robot b/resources/libraries/robot/ip/ip4.robot
index 8fff0846b0..02025156e2 100644
--- a/resources/libraries/robot/ip/ip4.robot
+++ b/resources/libraries/robot/ip/ip4.robot
@@ -1,4 +1,4 @@
-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2018 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:
@@ -10,19 +10,22 @@
 # 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
-| Resource | resources/libraries/robot/shared/counters.robot
+| Library | resources.libraries.python.InterfaceUtil
 | Library | resources.libraries.python.IPv4Util.IPv4Util
 | Library | resources.libraries.python.IPv4Setup.IPv4Setup
 | Library | resources.libraries.python.NodePath
 | Library | resources.libraries.python.Routing
 | Library | resources.libraries.python.TrafficScriptExecutor
-| Library | resources.libraries.python.InterfaceUtil
+| Resource | resources/libraries/robot/shared/counters.robot
+| Resource | resources/libraries/robot/shared/default.robot
+| Resource | resources/libraries/robot/shared/testing_path.robot
 | Variables | resources/libraries/python/IPv4NodeAddress.py | ${nodes}
+| ...
+| Documentation | IPv4 keywords
 
 *** Keywords ***
-
 | Show IP FIB On All DUTs
 | | [Documentation] | Show IP FIB on all DUTs.
 | | ...
@@ -52,11 +55,13 @@
 | | :FOR | ${link} | IN | @{tg_dut1_links}
 | | | ${net}= | Get Link Address | ${link} | ${nodes_addr}
 | | | ${prefix}= | Get Link Prefix | ${link} | ${nodes_addr}
-| | | Vpp Route Add | ${dut2} | ${net} | ${prefix} | ${dut1_if_addr} | ${dut2_if}
+| | | Vpp Route Add | ${dut2} | ${net} | ${prefix} | ${dut1_if_addr}
+| | | ... | ${dut2_if}
 | | :FOR | ${link} | IN | @{tg_dut2_links}
 | | | ${net}= | Get Link Address | ${link} | ${nodes_addr}
 | | | ${prefix}= | Get Link Prefix | ${link} | ${nodes_addr}
-| | | Vpp Route Add | ${dut1} | ${net} | ${prefix} | ${dut2_if_addr} | ${dut1_if}
+| | | Vpp Route Add | ${dut1} | ${net} | ${prefix} | ${dut2_if_addr}
+| | | ... | ${dut1_if}
 
 | Configure DUT nodes for IPv4 testing
 | | Configure IPv4 addresses on all DUTs | ${nodes} | ${nodes_ipv4_addr}
@@ -70,19 +75,21 @@
 | | ${src_mac}= | Get interface mac | ${from_node} | ${from_port}
 | | ${dst_mac}= | Get interface mac | ${to_node} | ${to_port}
 | | ${is_dst_tg}= | Is TG node | ${to_node}
-| | ${adj_node} | ${adj_int}= | Get adjacent node and interface | ${nodes} | ${from_node} | ${from_port}
+| | ${adj_node} | ${adj_int}= | Get adjacent node and interface | ${nodes}
+| | ... | ${from_node} | ${from_port}
 | | ${from_port_name}= | Get interface name | ${from_node} | ${from_port}
 | | ${to_port_name}= | Get interface name | ${to_node} | ${to_port}
 | | ${adj_int_mac}= | Get interface MAC | ${adj_node} | ${adj_int}
-| | ${args}= | Traffic Script Gen Arg | ${to_port_name} | ${from_port_name} | ${src_mac}
-| |          | ...                    | ${dst_mac} | ${src_ip} | ${dst_ip}
-| | ${args}= | Catenate | ${args} | --hops ${hops} | --first_hop_mac ${adj_int_mac}
-| |          | ...      | --is_dst_tg ${is_dst_tg}
+| | ${args}= | Traffic Script Gen Arg | ${to_port_name} | ${from_port_name}
+| | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
+| | ${args}= | Catenate | ${args} | --hops ${hops}
+| | ... | --first_hop_mac ${adj_int_mac} | --is_dst_tg ${is_dst_tg}
 | | Run Traffic Script On Node | ipv4_ping_ttl_check.py | ${from_node} | ${args}
 
 | Execute IPv4 ICMP echo sweep
 | | [Documentation] | Type of the src_node must be TG and dst_node must be DUT
-| | [Arguments] | ${src_node} | ${dst_node} | ${start_size} | ${end_size} | ${step}
+| | [Arguments] | ${src_node} | ${dst_node} | ${start_size} | ${end_size}
+| | ... | ${step}
 | | Append Nodes | ${src_node} | ${dst_node}
 | | Compute Path
 | | ${src_port} | ${src_node}= | First Interface
@@ -93,9 +100,9 @@
 | | ${dst_mac}= | Get Interface Mac | ${dst_node} | ${dst_port}
 | | ${src_port_name}= | Get interface name | ${src_node} | ${src_port}
 | | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${src_port_name}
-| |          | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
-| | ${args}= | Set Variable
-| | ... | ${args} --start_size ${start_size} --end_size ${end_size} --step ${step}
+| | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
+| | ${args}= | Catenate | ${args} | --start_size ${start_size}
+| | ... | --end_size ${end_size} | --step ${step}
 | | Run Traffic Script On Node | ipv4_sweep_ping.py | ${src_node} | ${args}
 | | ... | timeout=${180}
 
@@ -109,8 +116,8 @@
 | | ${src_mac}= | Get node link mac | ${tg_node} | ${link_name}
 | | ${dst_mac}= | Get node link mac | ${vpp_node} | ${link_name}
 | | ${src_if_name}= | Get interface name | ${tg_node} | ${src_if}
-| | ${args}= | Traffic Script Gen Arg | ${src_if_name} | ${src_if_name} | ${src_mac}
-| |          | ...                    | ${dst_mac} | ${src_ip} | ${dst_ip}
+| | ${args}= | Traffic Script Gen Arg | ${src_if_name} | ${src_if_name}
+| | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
 | | Run Traffic Script On Node | arp_request.py | ${tg_node} | ${args}
 
 | Configure IP addresses on interfaces
@@ -119,17 +126,17 @@
 | | ... | ${prefix}) tuple.
 | | ...
 | | ... | *Arguments:*
-| | ... | - ${dut_node} - Node where IP address should be set to.
+| | ... | - dut_node - Node where IP address should be set to.
 | | ... | Type: dictionary
-| | ... | - ${interface} - Interface name. Type: string
-| | ... | - ${address} - IP address. Type: string
-| | ... | - ${prefix} - Prefix length. Type: integer
+| | ... | - interface - Interface name. Type: string
+| | ... | - address - IP address. Type: string
+| | ... | - prefix - Prefix length. Type: integer
 | | ...
 | | ... | *Example:*
 | | ...
 | | ... | \| Configure IP addresses on interfaces \
 | | ... | \| ${dut1_node} \| ${dut1_to_dut2} \| 192.168.1.1 \| 24 \|
-| | ... | \| ... \| ${dut1_node} \| ${dut1_to_tg}   \| 192.168.2.1 \| 24 \|
+| | ... | \| ... \| ${dut1_node} \| ${dut1_to_tg} \| 192.168.2.1 \| 24 \|
 | | ...
 | | [Arguments] | @{args}
 | | :FOR | ${dut_node} | ${interface} | ${address} | ${prefix} | IN | @{args}
@@ -159,9 +166,203 @@
 | | ...
 | | [Arguments] | ${tg_node} | ${tg_interface}
 | | ... | ${dst_mac} | ${src_mac} | ${dst_ip} | ${src_ip} | ${timeout}=${10}
+| | ...
 | | ${tg_interface_name}= | Get interface name | ${tg_node} | ${tg_interface}
-| | ${args}= | Catenate | --rx_if | ${tg_interface_name} | --tx_if | ${tg_interface_name}
-| | ... | --dst_mac | ${dst_mac} | --src_mac | ${src_mac}
-| | ... | --dst_ip | ${dst_ip} | --src_ip | ${src_ip} | --timeout | ${timeout}
+| | ${args}= | Catenate | --rx_if ${tg_interface_name}
+| | ... | --tx_if ${tg_interface_name} | --dst_mac ${dst_mac}
+| | ... | --src_mac ${src_mac} | --dst_ip ${dst_ip} | --src_ip ${src_ip}
+| | ... | --timeout ${timeout}
 | | Run Traffic Script On Node | send_icmp_wait_for_reply.py
 | | ... | ${tg_node} | ${args}
+
+| Initialize IPv4 forwarding in circular topology
+| | [Documentation]
+| | ... | Set UP state on VPP interfaces in path on nodes in 2-node / 3-node
+| | ... | circular topology. Get the interface MAC addresses and setup ARP on
+| | ... | all VPP interfaces. Setup IPv4 addresses with /24 prefix on DUT-TG
+| | ... | links. In case of 3-node topology setup IPv4 adresses with /30 prefix
+| | ... | on DUT1-DUT2 link and set routing on both DUT nodes with prefix /24
+| | ... | and next hop of neighbour DUT interface IPv4 address. Configure route
+| | ... | entries for remote hosts IPv4 addresses if required.
+| | ...
+| | ... | *Arguments:*
+| | ... | - tg_if1_ip4 - IP address of TG interface1. Type: string
+| | ... | - tg_if2_ip4 - IP address of TG interface2. Type: string
+| | ... | - dut1_if1_ip4 - IP address of DUT1 interface1. Type: string
+| | ... | - dut1_if2_ip4 - IP address of DUT1 interface1. Type: string
+| | ... | - dut2_if1_ip4 - IP address of DUT2 interface1 (Optional).
+| | ... | Type: string
+| | ... | - dut2_if2_ip4 - IP address of DUT2 interface2 (Optional).
+| | ... | Type: string
+| | ... | - remote_host1_ip4 - IP address of remote host1 (Optional).
+| | ... | Type: string
+| | ... | - remote_host2_ip4 - IP address of remote host2 (Optional).
+| | ... | Type: string
+| | ... | - remote_host_ip4_prefix - IP address prefix for host IP addresses
+| | ... | (Optional). Type: string or integer
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Initialize IPv4 forwarding in circular topology \
+| | ... | \| 10.10.10.2 \| 20.20.20.2 \| 10.10.10.1 \| 20.20.20.1 \|
+| | ... | \| Initialize IPv4 forwarding in circular topology \
+| | ... | \| 10.10.10.2 \| 20.20.20.2 \| 10.10.10.1 \| 20.20.20.1 \
+| | ... | \| remote_host1_ip4=192.168.0.1 \| remote_host2_ip4=192.168.0.2 \
+| | ... | \| remote_host_ip4_prefix=32 \|
+| | ... | \| Initialize IPv4 forwarding in circular topology \
+| | ... | \| 10.10.10.2 \| 20.20.20.2 \| 10.10.10.1 \| 1.1.1.1 \| 1.1.1.2 \
+| | ... | \| 20.20.20.1 \|
+| | ... | \| Initialize IPv4 forwarding in circular topology \
+| | ... | \| 10.10.10.2 \| 20.20.20.2 \| 10.10.10.1 \| 1.1.1.1 \| 1.1.1.2 \
+| | ... | \| 20.20.20.1 \| remote_host1_ip4=192.168.0.1 \
+| | ... | \| remote_host2_ip4=192.168.0.2 \| remote_host_ip4_prefix=32 \|
+| | ...
+| | [Arguments] | ${tg_if1_ip4} | ${tg_if2_ip4} | ${dut1_if1_ip4}
+| | ... | ${dut1_if2_ip4} | ${dut2_if1_ip4}=${NONE} | ${dut2_if2_ip4}=${NONE}
+| | ... | ${remote_host1_ip4}=${NONE} | ${remote_host2_ip4}=${NONE}
+| | ... | ${remote_host_ip4_prefix}=${NONE}
+| | ...
+| | Set interfaces in path up
+| | ...
+| | ${dut2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut2_node}
+| | ...
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Initialize IPv4 forwarding in 3-node circular topology
+| | ... | ${tg_if1_ip4} | ${tg_if2_ip4} | ${dut1_if1_ip4} | ${dut1_if2_ip4}
+| | ... | ${dut2_if1_ip4} | ${dut2_if2_ip4} | ${remote_host1_ip4}
+| | ... | ${remote_host2_ip4} | ${remote_host_ip4_prefix}
+| | ... | ELSE
+| | ... | Initialize IPv4 forwarding in 2-node circular topology
+| | ... | ${tg_if1_ip4} | ${tg_if2_ip4} | ${dut1_if1_ip4} | ${dut1_if2_ip4}
+| | ... | remote_host1_ip4=${remote_host1_ip4}
+| | ... | remote_host2_ip4=${remote_host2_ip4}
+| | ... | remote_host_ip4_prefix=${remote_host_ip4_prefix}
+
+| Initialize IPv4 forwarding in 2-node circular topology
+| | [Documentation]
+| | ... | Set UP state on VPP interfaces on DUT node in 2-node circular
+| | ... | topology. Get the interface MAC addresses and setup ARP on
+| | ... | all VPP interfaces. Setup IPv4 addresses with /24 prefix on DUT-TG
+| | ... | links. Configure route entries for remote hosts IPv4 addresses
+| | ... | if required.
+| | ...
+| | ... | *Arguments:*
+| | ... | - tg_if1_ip4 - IP address of TG interface1. Type: string
+| | ... | - tg_if2_ip4 - IP address of TG interface2. Type: string
+| | ... | - dut1_if1_ip4 - IP address of DUT1 interface1. Type: string
+| | ... | - dut1_if2_ip4 - IP address of DUT1 interface1. Type: string
+| | ... | - remote_host1_ip4 - IP address of remote host1 (Optional).
+| | ... | Type: string
+| | ... | - remote_host2_ip4 - IP address of remote host2 (Optional).
+| | ... | Type: string
+| | ... | - remote_host_ip4_prefix - IP address prefix for host IP addresses
+| | ... | (Optional). Type: string or integer
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Initialize IPv4 forwarding in circular topology \
+| | ... | \| 10.10.10.2 \| 20.20.20.2 \| 10.10.10.1 \| 20.20.20.1 \|
+| | ... | \| Initialize IPv4 forwarding in circular topology \
+| | ... | \| 10.10.10.2 \| 20.20.20.2 \| 10.10.10.1 \| 20.20.20.1 \
+| | ... | \| 192.168.0.1 \| 192.168.0.2 \| 32 \|
+| | ...
+| | [Arguments] | ${tg_if1_ip4} | ${tg_if2_ip4} | ${dut1_if1_ip4}
+| | ... | ${dut1_if2_ip4} | ${remote_host1_ip4}=${NONE}
+| | ... | ${remote_host2_ip4}=${NONE} | ${remote_host_ip4_prefix}=${NONE}
+| | ...
+| | ${dut_tg_ip4_prefix}= | Set Variable | 24
+| | ...
+| | Add arp on dut | ${dut_node} | ${dut_to_tg_if1} | ${tg_if1_ip4}
+| | ... | ${tg_to_dut_if1_mac}
+| | Add arp on dut | ${dut_node} | ${dut_to_tg_if2} | ${tg_if2_ip4}
+| | ... | ${tg_to_dut_if2_mac}
+| | ...
+| | Configure IP addresses on interfaces | ${dut_node} | ${dut_to_tg_if1}
+| | ... | ${dut1_if1_ip4} | ${dut_tg_ip4_prefix}
+| | Configure IP addresses on interfaces | ${dut_node} | ${dut_to_tg_if2}
+| | ... | ${dut1_if2_ip4} | ${dut_tg_ip4_prefix}
+| | ...
+| | Run Keyword Unless | '${remote_host1_ip4}' == '${NONE}'
+| | ... | Vpp Route Add | ${dut_node} | ${remote_host1_ip4}
+| | ... | ${remote_host_ip4_prefix} | ${tg_if1_ip4} | ${dut_to_tg_if1}
+| | Run Keyword Unless | '${remote_host2_ip4}' == '${NONE}'
+| | ... | Vpp Route Add | ${dut_node} | ${remote_host2_ip4}
+| | ... | ${remote_host_ip4_prefix} | ${tg_if2_ip4} | ${dut_to_tg_if2}
+
+| Initialize IPv4 forwarding in 3-node circular topology
+| | [Documentation]
+| | ... | Set UP state on VPP interfaces in path on nodes in 3-node circular
+| | ... | topology. Get the interface MAC addresses and setup ARP on all VPP
+| | ... | interfaces. Setup IPv4 addresses with /24 prefix on DUT-TG links.
+| | ... | Configure IPv4 adresses with /30 prefix on DUT1-DUT2 link and set
+| | ... | routing on both DUT nodes with prefix /24 and next hop of neighbour
+| | ... | DUT interface IPv4 address. Configure route entries for remote hosts
+| | ... | IPv4 addresses if required.
+| | ...
+| | ... | *Arguments:*
+| | ... | - tg_if1_ip4 - IP address of TG interface1. Type: string
+| | ... | - tg_if2_ip4 - IP address of TG interface2. Type: string
+| | ... | - dut1_if1_ip4 - IP address of DUT1 interface1. Type: string
+| | ... | - dut1_if2_ip4 - IP address of DUT1 interface1. Type: string
+| | ... | - dut2_if1_ip4 - IP address of DUT2 interface1. Type: string
+| | ... | - dut2_if2_ip4 - IP address of DUT2 interface2. Type: string
+| | ... | - remote_host1_ip4 - IP address of remote host1 (Optional).
+| | ... | Type: string
+| | ... | - remote_host2_ip4 - IP address of remote host2 (Optional).
+| | ... | Type: string
+| | ... | - remote_host_ip4_prefix - IP address prefix for host IP addresses
+| | ... | (Optional). Type: string or integer
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Initialize IPv4 forwarding in circular topology \
+| | ... | \| 10.10.10.2 \| 20.20.20.2 \| 10.10.10.1 \| 1.1.1.1 \| 1.1.1.2 \
+| | ... | \| 20.20.20.1 \|
+| | ... | \| Initialize IPv4 forwarding in circular topology \
+| | ... | \| 10.10.10.2 \| 20.20.20.2 \| 10.10.10.1 \| 1.1.1.1 \| 1.1.1.2 \
+| | ... | \| 20.20.20.1 \| 192.168.0.1 \| 192.168.0.2 \| 32 \|
+| | ...
+| | [Arguments] | ${tg_if1_ip4} | ${tg_if2_ip4} | ${dut1_if1_ip4}
+| | ... | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${dut2_if2_ip4}
+| | ... | ${remote_host1_ip4}=${NONE} | ${remote_host2_ip4}=${NONE}
+| | ... | ${remote_host_ip4_prefix}=${NONE}
+| | ...
+| | ${dut_tg_ip4_prefix}= | Set Variable | 24
+| | ${dut_link_ip4_prefix}= | Set Variable | 30
+| | ...
+| | Add arp on dut | ${dut1_node} | ${dut1_to_tg} | ${tg_if1_ip4}
+| | ... | ${tg_to_dut1_mac}
+| | Add arp on dut | ${dut1_node} | ${dut1_to_dut2} | ${dut2_if1_ip4}
+| | ... | ${dut2_to_dut1_mac}
+| | Add arp on dut | ${dut2_node} | ${dut2_to_dut1} | ${dut1_if2_ip4}
+| | ... | ${dut1_to_dut2_mac}
+| | Add arp on dut | ${dut2_node} | ${dut2_to_tg} | ${tg_if2_ip4}
+| | ... | ${tg_to_dut2_mac}
+| | ...
+| | Configure IP addresses on interfaces | ${dut1_node} | ${dut1_to_tg}
+| | ... | ${dut1_if1_ip4} | ${dut_tg_ip4_prefix}
+| | Configure IP addresses on interfaces | ${dut1_node} | ${dut1_to_dut2}
+| | ... | ${dut1_if2_ip4} | ${dut_link_ip4_prefix}
+| | Configure IP addresses on interfaces | ${dut2_node} | ${dut2_to_dut1}
+| | ... | ${dut2_if1_ip4} | ${dut_link_ip4_prefix}
+| | Configure IP addresses on interfaces | ${dut2_node} | ${dut2_to_tg}
+| | ... | ${dut2_if2_ip4} | ${dut_tg_ip4_prefix}
+| | ...
+| | Vpp Route Add | ${dut1_node} | ${tg_if2_ip4} | ${dut_tg_ip4_prefix}
+| | ... | ${dut2_if1_ip4} | ${dut1_to_dut2}
+| | Vpp Route Add | ${dut2_node} | ${tg_if1_ip4} | ${dut_tg_ip4_prefix}
+| | ... | ${dut1_if2_ip4} | ${dut2_to_dut1}
+| | ...
+| | Run Keyword Unless | '${remote_host1_ip4}' == '${NONE}'
+| | ... | Vpp Route Add | ${dut1_node} | ${remote_host1_ip4}
+| | ... | ${remote_host_ip4_prefix} | ${tg_if1_ip4} | ${dut1_to_tg}
+| | Run Keyword Unless | '${remote_host2_ip4}' == '${NONE}'
+| | ... | Vpp Route Add | ${dut1_node} | ${remote_host2_ip4}
+| | ... | ${remote_host_ip4_prefix} | ${dut2_if1_ip4} | ${dut1_to_dut2}
+| | Run Keyword Unless | '${remote_host1_ip4}' == '${NONE}'
+| | ... | Vpp Route Add | ${dut2_node} | ${remote_host1_ip4}
+| | ... | ${remote_host_ip4_prefix} | ${dut1_if2_ip4} | ${dut2_to_dut1}
+| | Run Keyword Unless | '${remote_host2_ip4}' == '${NONE}'
+| | ... | Vpp Route Add | ${dut2_node} | ${remote_host2_ip4}
+| | ... | ${remote_host_ip4_prefix} | ${tg_if2_ip4} | ${dut2_to_tg}
diff --git a/resources/libraries/robot/ip/ip6.robot b/resources/libraries/robot/ip/ip6.robot
index f80d98f177..9a816c2665 100644
--- a/resources/libraries/robot/ip/ip6.robot
+++ b/resources/libraries/robot/ip/ip6.robot
@@ -1,4 +1,4 @@
-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2018 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:
@@ -11,18 +11,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""IPv6 keywords"""
-
 *** Settings ***
+| Library | resources.libraries.python.InterfaceUtil
 | Library | resources.libraries.python.IPv6Util
 | Library | resources.libraries.python.IPv6Setup
-| Library | resources.libraries.python.TrafficScriptExecutor
 | Library | resources.libraries.python.NodePath
 | Library | resources.libraries.python.Routing
-| Library | resources.libraries.python.InterfaceUtil
 | Library | resources.libraries.python.topology.Topology
-| Resource | resources/libraries/robot/shared/default.robot
+| Library | resources.libraries.python.TrafficScriptExecutor
 | Resource | resources/libraries/robot/shared/counters.robot
+| Resource | resources/libraries/robot/shared/default.robot
+| Resource | resources/libraries/robot/shared/testing_path.robot
+| ...
 | Documentation | IPv6 keywords
 
 *** Keywords ***
@@ -33,13 +33,15 @@
 | | Compute Path
 | | ${src_port} | ${src_node}= | First Interface
 | | ${dst_port} | ${dst_node}= | Last Interface
-| | ${src_ip}= | Get Node Port Ipv6 Address | ${src_node} | ${src_port} | ${nodes_addr}
-| | ${dst_ip}= | Get Node Port Ipv6 Address | ${dst_node} | ${dst_port} | ${nodes_addr}
+| | ${src_ip}= | Get Node Port Ipv6 Address | ${src_node} | ${src_port}
+| | ... | ${nodes_addr}
+| | ${dst_ip}= | Get Node Port Ipv6 Address | ${dst_node} | ${dst_port}
+| | ... | ${nodes_addr}
 | | ${src_mac}= | Get Interface Mac | ${src_node} | ${src_port}
 | | ${dst_mac}= | Get Interface Mac | ${dst_node} | ${dst_port}
 | | ${src_port_name}= | Get interface name | ${src_node} | ${src_port}
-| | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${src_port_name} | ${src_mac}
-| | ... | ${dst_mac} | ${src_ip} | ${dst_ip}
+| | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${src_port_name}
+| | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
 | | Run Traffic Script On Node | icmpv6_echo.py | ${tg_node} | ${args}
 | | Vpp Dump Stats Table | ${dst_node}
 | | ${ipv6_counter}= | Vpp Get Ipv6 Interface Counter | ${dst_node}
@@ -64,8 +66,8 @@
 | | ${src_port_name}= | Get interface name | ${src_node} | ${src_port}
 | | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${src_port_name}
 | | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
-| | ${args}= | Set Variable
-| | ... | ${args} --start_size ${start_size} --end_size ${end_size} --step ${step}
+| | ${args}= | Catenate | ${args} | --start_size ${start_size}
+| | ... | --end_size ${end_size} | --step ${step}
 | | Run Traffic Script On Node | ipv6_sweep_ping.py | ${src_node} | ${args}
 | | ... | timeout=${180}
 
@@ -77,13 +79,15 @@
 | | ${src_port} | ${src_node}= | First Interface
 | | ${dst_port} | ${dst_node}= | Last Egress Interface
 | | ${hop_port} | ${hop_node}= | First Ingress Interface
-| | ${src_ip}= | Get Node Port Ipv6 Address | ${src_node} | ${src_port} | ${nodes_addr}
-| | ${dst_ip}= | Get Node Port Ipv6 Address | ${dst_node} | ${dst_port} | ${nodes_addr}
+| | ${src_ip}= | Get Node Port Ipv6 Address | ${src_node} | ${src_port}
+| | ... | ${nodes_addr}
+| | ${dst_ip}= | Get Node Port Ipv6 Address | ${dst_node} | ${dst_port}
+| | ... | ${nodes_addr}
 | | ${src_mac}= | Get Interface Mac | ${src_node} | ${src_port}
 | | ${dst_mac}= | Get Interface Mac | ${hop_node} | ${hop_port}
 | | ${src_port_name}= | Get interface name | ${src_node} | ${src_port}
-| | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${src_port_name} | ${src_mac}
-| | ... | ${dst_mac} | ${src_ip} | ${dst_ip}
+| | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${src_port_name}
+| | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
 | | Run Traffic Script On Node | icmpv6_echo.py | ${tg_node} | ${args}
 
 
@@ -95,30 +99,35 @@
 | | ${src_port} | ${src_node}= | First Interface
 | | ${dst_port} | ${dst_node}= | Last Interface
 | | ${hop_port} | ${hop_node}= | First Ingress Interface
-| | ${src_ip}= | Get Node Port Ipv6 Address | ${src_node} | ${src_port} | ${nodes_addr}
-| | ${dst_ip}= | Get Node Port Ipv6 Address | ${dst_node} | ${dst_port} | ${nodes_addr}
+| | ${src_ip}= | Get Node Port Ipv6 Address | ${src_node} | ${src_port}
+| | ... | ${nodes_addr}
+| | ${dst_ip}= | Get Node Port Ipv6 Address | ${dst_node} | ${dst_port}
+| | ... | ${nodes_addr}
 | | ${src_mac}= | Get Interface Mac | ${src_node} | ${src_port}
 | | ${dst_mac}= | Get Interface Mac | ${hop_node} | ${hop_port}
 | | ${src_port_name}= | Get interface name | ${src_node} | ${src_port}
-| | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${src_port_name} | ${src_mac}
-| | ... | ${dst_mac} | ${src_ip} | ${dst_ip}
+| | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${src_port_name}
+| | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
 | | Run Traffic Script On Node | icmpv6_echo.py | ${tg_node} | ${args}
 
 | Send IPv6 ICMP echo request to DUT2 egress interface via DUT1 and verify answer
-| | [Documentation] | Send traffic from TG to second DUT egress interface through first DUT
+| | [Documentation] | Send traffic from TG to second DUT egress interface
+| | ... | through first DUT
 | | [Arguments] | ${tg_node} | ${first_dut} | ${second_dut} | ${nodes_addr}
 | | Append Nodes | ${tg_node} | ${first_dut} | ${second_dut} | ${tg_node}
 | | Compute Path
 | | ${src_port} | ${src_node}= | First Interface
 | | ${dst_port} | ${dst_node}= | Last Egress Interface
 | | ${hop_port} | ${hop_node}= | First Ingress Interface
-| | ${src_ip}= | Get Node Port Ipv6 Address | ${src_node} | ${src_port} | ${nodes_addr}
-| | ${dst_ip}= | Get Node Port Ipv6 Address | ${dst_node} | ${dst_port} | ${nodes_addr}
+| | ${src_ip}= | Get Node Port Ipv6 Address | ${src_node} | ${src_port}
+| | ... | ${nodes_addr}
+| | ${dst_ip}= | Get Node Port Ipv6 Address | ${dst_node} | ${dst_port}
+| | ... | ${nodes_addr}
 | | ${src_mac}= | Get Interface Mac | ${src_node} | ${src_port}
 | | ${dst_mac}= | Get Interface Mac | ${hop_node} | ${hop_port}
 | | ${src_port_name}= | Get interface name | ${src_node} | ${src_port}
-| | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${src_port_name} | ${src_mac}
-| | ... | ${dst_mac} | ${src_ip} | ${dst_ip}
+| | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${src_port_name}
+| | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
 | | Run Traffic Script On Node | icmpv6_echo.py | ${tg_node} | ${args}
 
 | Ipv6 tg to tg routed
@@ -131,16 +140,18 @@
 | | ${dst_port} | ${dst_node}= | Last Interface
 | | ${src_nh_port} | ${src_nh_node}= | First Ingress Interface
 | | ${dst_nh_port} | ${dst_nh_node}= | Last Egress Interface
-| | ${src_ip}= | Get Node Port Ipv6 Address | ${src_node} | ${src_port} | ${nodes_addr}
-| | ${dst_ip}= | Get Node Port Ipv6 Address | ${dst_node} | ${dst_port} | ${nodes_addr}
+| | ${src_ip}= | Get Node Port Ipv6 Address | ${src_node} | ${src_port}
+| | ... | ${nodes_addr}
+| | ${dst_ip}= | Get Node Port Ipv6 Address | ${dst_node} | ${dst_port}
+| | ... | ${nodes_addr}
 | | ${src_mac}= | Get Interface Mac | ${src_node} | ${src_port}
 | | ${dst_mac}= | Get Interface Mac | ${src_node} | ${dst_port}
 | | ${src_nh_mac}= | Get Interface Mac | ${src_nh_node} | ${src_nh_port}
 | | ${dst_nh_mac}= | Get Interface Mac | ${dst_nh_node} | ${dst_nh_port}
 | | ${src_port_name}= | Get interface name | ${src_node} | ${src_port}
 | | ${dst_port_name}= | Get interface name | ${dst_node} | ${dst_port}
-| | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${dst_port_name} | ${src_mac}
-| | ... | ${dst_mac} | ${src_ip} | ${dst_ip}
+| | ${args}= | Traffic Script Gen Arg | ${dst_port_name} | ${src_port_name}
+| | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
 | | ${args}= | Catenate | ${args} | --src_nh_mac ${src_nh_mac}
 | | ... | --dst_nh_mac ${dst_nh_mac} | --h_num 2
 | | Run Traffic Script On Node | icmpv6_echo_req_resp.py | ${tg_node} | ${args}
@@ -152,13 +163,15 @@
 | | Compute Path
 | | ${src_port} | ${src_node}= | First Interface
 | | ${dst_port} | ${dst_node}= | Last Interface
-| | ${src_ip}= | Get Node Port Ipv6 Address | ${src_node} | ${src_port} | ${nodes_addr}
-| | ${dst_ip}= | Get Node Port Ipv6 Address | ${dst_node} | ${dst_port} | ${nodes_addr}
+| | ${src_ip}= | Get Node Port Ipv6 Address | ${src_node} | ${src_port}
+| | ... | ${nodes_addr}
+| | ${dst_ip}= | Get Node Port Ipv6 Address | ${dst_node} | ${dst_port}
+| | ... | ${nodes_addr}
 | | ${src_mac}= | Get Interface Mac | ${src_node} | ${src_port}
 | | ${dst_mac}= | Get Interface Mac | ${dst_node} | ${dst_port}
 | | ${src_port_name}= | Get interface name | ${src_node} | ${src_port}
-| | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${src_port_name} | ${src_mac}
-| | ... | ${dst_mac} | ${src_ip} | ${dst_ip}
+| | ${args}= | Traffic Script Gen Arg | ${src_port_name} | ${src_port_name}
+| | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
 | | Run Traffic Script On Node | ipv6_ns.py | ${src_node} | ${args}
 
 | Configure IPv6 on all DUTs in topology
@@ -171,7 +184,8 @@
 | | All Vpp Interfaces Ready Wait | ${nodes}
 
 | Suppress ICMPv6 router advertisement message
-| | [Documentation] | Suppress ICMPv6 router advertisement message for link scope address
+| | [Documentation] | Suppress ICMPv6 router advertisement message for link
+| | ... | scope address
 | | [Arguments] | ${nodes}
 | | Vpp All Ra Suppress Link Layer | ${nodes}
 
@@ -183,15 +197,214 @@
 | | ${tg}= | Set Variable | ${nodes['TG']}
 | | ${dut1_if} | ${dut1}= | First Interface
 | | ${dut2_if} | ${dut2}= | Last Interface
-| | ${dut1_if_addr}= | Get Node Port Ipv6 Address | ${dut1} | ${dut1_if} | ${nodes_addr}
-| | ${dut2_if_addr}= | Get Node Port Ipv6 Address | ${dut2} | ${dut2_if} | ${nodes_addr}
+| | ${dut1_if_addr}= | Get Node Port Ipv6 Address | ${dut1} | ${dut1_if}
+| | ... | ${nodes_addr}
+| | ${dut2_if_addr}= | Get Node Port Ipv6 Address | ${dut2} | ${dut2_if}
+| | ... | ${nodes_addr}
 | | @{tg_dut1_links}= | Get active links connecting "${tg}" and "${dut1}"
 | | @{tg_dut2_links}= | Get active links connecting "${tg}" and "${dut2}"
 | | :FOR | ${link} | IN | @{tg_dut1_links}
 | | | ${net}= | Get Link Address | ${link} | ${nodes_addr}
 | | | ${prefix}= | Get Link Prefix | ${link} | ${nodes_addr}
-| | | Vpp Route Add | ${dut2} | ${net} | ${prefix} | ${dut1_if_addr} | ${dut2_if}
+| | | Vpp Route Add | ${dut2} | ${net} | ${prefix} | ${dut1_if_addr}
+| | | ... | ${dut2_if}
 | | :FOR | ${link} | IN | @{tg_dut2_links}
 | | | ${net}= | Get Link Address | ${link} | ${nodes_addr}
 | | | ${prefix}= | Get Link Prefix | ${link} | ${nodes_addr}
-| | | Vpp Route Add | ${dut1} | ${net} | ${prefix} | ${dut2_if_addr} | ${dut1_if}
+| | | Vpp Route Add | ${dut1} | ${net} | ${prefix} | ${dut2_if_addr}
+| | | ... | ${dut1_if}
+
+| Initialize IPv6 forwarding in circular topology
+| | [Documentation]
+| | ... | Set UP state on VPP interfaces in path on nodes in 2-node / 3-node
+| | ... | circular topology. Get the interface MAC addresses and setup ARP on
+| | ... | all VPP interfaces. Setup IPv6 addresses with /64 prefix on DUT-TG
+| | ... | links. In case of 3-node topology setup IPv6 adresses with /96 prefix
+| | ... | on DUT1-DUT2 link and set routing on both DUT nodes with prefix /64
+| | ... | and next hop of neighbour DUT interface IPv6 address. Configure route
+| | ... | entries for remote hosts IPv6 addresses if required.
+| | ...
+| | ... | *Arguments:*
+| | ... | - tg_if1_ip6 - IPv6 address of TG interface1. Type: string
+| | ... | - tg_if2_ip6 - IPv6 address of TG interface2. Type: string
+| | ... | - dut1_if1_ip6 - IPv6 address of DUT1 interface1. Type: string
+| | ... | - dut1_if2_ip6 - IPv6 address of DUT1 interface1. Type: string
+| | ... | - dut2_if1_ip6 - IPv6 address of DUT2 interface1 (Optional).
+| | ... | Type: string
+| | ... | - dut2_if2_ip6 - IPv6 address of DUT2 interface2 (Optional).
+| | ... | Type: string
+| | ... | - remote_host1_ip6 - IPv6 address of remote host1 (Optional).
+| | ... | Type: string
+| | ... | - remote_host2_ip6 - IPv6 address of remote host2 (Optional).
+| | ... | Type: string
+| | ... | - remote_host_ip6_prefix - IPv6 address prefix for host IPv6 addresses
+| | ... | (Optional). Type: string or integer
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Initialize IPv6 forwarding in circular topology \
+| | ... | \| 2001:1::2 \| 2001:2::2 \| 2001:1::1 \| 2001:2::1 \|
+| | ... | \| Initialize IPv6 forwarding in circular topology \
+| | ... | \| 2001:1::2 \| 2001:2::2 \| 2001:1::1 \| 2001:2::1 \
+| | ... | \| remote_host1_ip6=3ffe:5f::1 \| remote_host2_ip6=3ffe:5f::2 \
+| | ... | \| remote_host_ip6_prefix=128 \|
+| | ... | \| Initialize IPv6 forwarding in circular topology \
+| | ... | \| 2001:1::2 \| 2001:2::2 \| 2001:1::1 \| 2003:3::1 \| 2003:3::2 \
+| | ... | \| 2001:2::1 \|
+| | ... | \| Initialize IPv6 forwarding in circular topology \
+| | ... | \| 2001:1::2 \| 2001:2::2 \| 2001:1::1 \| 2003:3::1 \| 2003:3::2 \
+| | ... | \| 2001:2::1 \| remote_host1_ip4=3ffe:5f::1 \
+| | ... | \| remote_host2_ip4=3ffe:5f::2 \| remote_host_ip4_prefix=128 \|
+| | ...
+| | [Arguments] | ${tg_if1_ip6} | ${tg_if2_ip6} | ${dut1_if1_ip6}
+| | ... | ${dut1_if2_ip6} | ${dut2_if1_ip6}=${NONE} | ${dut2_if2_ip6}=${NONE}
+| | ... | ${remote_host1_ip6}=${NONE} | ${remote_host2_ip6}=${NONE}
+| | ... | ${remote_host_ip6_prefix}=${NONE}
+| | ...
+| | ...
+| | Set interfaces in path up
+| | ...
+| | ${dut2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut2_node}
+| | ...
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Initialize IPv6 forwarding in 3-node circular topology
+| | ... | ${tg_if1_ip6} | ${tg_if2_ip6} | ${dut1_if1_ip6} | ${dut1_if2_ip6}
+| | ... | ${dut2_if1_ip6} | ${dut2_if2_ip6} | ${remote_host1_ip6}
+| | ... | ${remote_host2_ip6} | ${remote_host_ip6_prefix}
+| | ... | ELSE
+| | ... | Initialize IPv6 forwarding in 2-node circular topology
+| | ... | ${tg_if1_ip6} | ${tg_if2_ip6} | ${dut1_if1_ip6} | ${dut1_if2_ip6}
+| | ... | remote_host1_ip6=${remote_host1_ip6}
+| | ... | remote_host2_ip6=${remote_host2_ip6}
+| | ... | remote_host_ip6_prefix=${remote_host_ip6_prefix}
+
+| Initialize IPv6 forwarding in 2-node circular topology
+| | [Documentation]
+| | ... | Set UP state on VPP interfaces on DUT node in 2-node circular
+| | ... | topology. Get the interface MAC addresses and setup ARP on
+| | ... | all VPP interfaces. Setup IPv6 addresses with /64 prefix on DUT-TG
+| | ... | links. Configure route entries for remote hosts IPv6 addresses
+| | ... | if required.
+| | ...
+| | ... | *Arguments:*
+| | ... | - tg_if1_ip6 - IPv6 address of TG interface1. Type: string
+| | ... | - tg_if2_ip6 - IPv6 address of TG interface2. Type: string
+| | ... | - dut1_if1_ip6 - IPv6 address of DUT1 interface1. Type: string
+| | ... | - dut1_if2_ip6 - IPv6 address of DUT1 interface1. Type: string
+| | ... | - remote_host1_ip6 - IPv6 address of remote host1 (Optional).
+| | ... | Type: string
+| | ... | - remote_host2_ip6 - IPv6 address of remote host2 (Optional).
+| | ... | Type: string
+| | ... | - remote_host_ip6_prefix - IPv6 address prefix for host IPv6 addresses
+| | ... | (Optional). Type: string or integer
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Initialize IPv6 forwarding in circular topology \
+| | ... | \| 2001:1::2 \| 2001:2::2 \| 2001:1::1 \| 2001:2::1 \|
+| | ... | \| Initialize IPv6 forwarding in circular topology \
+| | ... | \| 2001:1::2 \| 2001:2::2 \| 2001:1::1 \| 2001:2::1 \
+| | ... | \| remote_host1_ip6=3ffe:5f::1 \| remote_host2_ip6=3ffe:5f::2 \
+| | ... | \| remote_host_ip6_prefix=128 \|
+| | ...
+| | [Arguments] | ${tg_if1_ip6} | ${tg_if2_ip6} | ${dut1_if1_ip6}
+| | ... | ${dut1_if2_ip6} | ${remote_host1_ip6}=${NONE}
+| | ... | ${remote_host2_ip6}=${NONE} | ${remote_host_ip6_prefix}=${NONE}
+| | ...
+| | ${dut_tg_ip6_prefix}= | Set Variable | 64
+| | ...
+| | Add IP neighbor | ${dut_node} | ${dut_to_tg_if1} | ${tg_if1_ip6}
+| | ... | ${tg_to_dut_if1_mac}
+| | Add IP neighbor | ${dut_node} | ${dut_to_tg_if2} | ${tg_if2_ip6}
+| | ... | ${tg_to_dut_if2_mac}
+| | ...
+| | VPP set If IPv6 addr | ${dut_node} | ${dut_to_tg_if1} | ${dut1_if1_ip6}
+| | ... | ${dut_tg_ip6_prefix}
+| | VPP set If IPv6 addr | ${dut_node} | ${dut_to_tg_if2} | ${dut1_if2_ip6}
+| | ... | ${dut_tg_ip6_prefix}
+| | ...
+| | Run Keyword Unless | '${remote_host1_ip6}' == '${NONE}'
+| | ... | Vpp Route Add | ${dut_node} | ${remote_host1_ip6}
+| | ... | ${remote_host_ip6_prefix} | ${tg_if1_ip6} | ${dut_to_tg_if1}
+| | Run Keyword Unless | '${remote_host2_ip6}' == '${NONE}'
+| | ... | Vpp Route Add | ${dut_node} | ${remote_host2_ip6}
+| | ... | ${remote_host_ip6_prefix} | ${tg_if2_ip6} | ${dut_to_tg_if2}
+
+| Initialize IPv6 forwarding in 3-node circular topology
+| | [Documentation]
+| | ... | Set UP state on VPP interfaces in path on nodes in 3-node circular
+| | ... | topology. Get the interface MAC addresses and setup ARP on all VPP
+| | ... | interfaces. Setup IPv6 addresses with /64 prefix on DUT-TG links.
+| | ... | Configure IPv6 adresses with /96 prefix on DUT1-DUT2 link and set
+| | ... | routing on both DUT nodes with prefix /64 and next hop of neighbour
+| | ... | DUT interface IPv6 address. Configure route entries for remote hosts
+| | ... | IPv6 addresses if required.
+| | ...
+| | ... | *Arguments:*
+| | ... | - tg_if1_ip6 - IPv6 address of TG interface1. Type: string
+| | ... | - tg_if2_ip6 - IPv6 address of TG interface2. Type: string
+| | ... | - dut1_if1_ip6 - IPv6 address of DUT1 interface1. Type: string
+| | ... | - dut1_if2_ip6 - IPv6 address of DUT1 interface1. Type: string
+| | ... | - dut2_if1_ip6 - IPv6 address of DUT2 interface1 Type: string
+| | ... | - dut2_if2_ip6 - IPv6 address of DUT2 interface2 Type: string
+| | ... | - remote_host1_ip6 - IPv6 address of remote host1 (Optional).
+| | ... | Type: string
+| | ... | - remote_host2_ip6 - IPv6 address of remote host2 (Optional).
+| | ... | Type: string
+| | ... | - remote_host_ip6_prefix - IPv6 address prefix for host IPv6 addresses
+| | ... | (Optional). Type: string or integer
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Initialize IPv6 forwarding in circular topology \
+| | ... | \| 2001:1::2 \| 2001:2::2 \| 2001:1::1 \| 2003:3::1 \| 2003:3::2 \
+| | ... | \| 2001:2::1 \|
+| | ... | \| Initialize IPv6 forwarding in circular topology \
+| | ... | \| 2001:1::2 \| 2001:2::2 \| 2001:1::1 \| 2003:3::1 \| 2003:3::2 \
+| | ... | \| 2001:2::1 \| remote_host1_ip4=3ffe:5f::1 \
+| | ... | \| remote_host2_ip4=3ffe:5f::2 \| remote_host_ip4_prefix=128 \|
+| | ...
+| | [Arguments] | ${tg_if1_ip6} | ${tg_if2_ip6} | ${dut1_if1_ip6}
+| | ... | ${dut1_if2_ip6} | ${dut2_if1_ip6} | ${dut2_if2_ip6}
+| | ... | ${remote_host1_ip6}=${NONE} | ${remote_host2_ip6}=${NONE}
+| | ... | ${remote_host_ip6_prefix}=${NONE}
+| | ...
+| | ${dut_tg_ip6_prefix}= | Set Variable | 64
+| | ${dut_link_ip6_prefix}= | Set Variable | 96
+| | ...
+| | Add IP neighbor | ${dut1_node} | ${dut1_to_tg} | ${tg_if1_ip6}
+| | ... | ${tg_to_dut1_mac}
+| | Add IP neighbor | ${dut1_node} | ${dut1_to_dut2} | ${dut2_if1_ip6}
+| | ... | ${dut2_to_dut1_mac}
+| | Add IP neighbor | ${dut2_node} | ${dut2_to_dut1} | ${dut1_if2_ip6}
+| | ... | ${dut1_to_dut2_mac}
+| | Add IP neighbor | ${dut2_node} | ${dut2_to_tg} | ${tg_if2_ip6}
+| | ... | ${tg_to_dut2_mac}
+| | ...
+| | VPP set If IPv6 addr | ${dut1_node} | ${dut1_to_tg} | ${dut1_if1_ip6}
+| | ... | ${dut_tg_ip6_prefix}
+| | VPP set If IPv6 addr | ${dut1_node} | ${dut1_to_dut2} | ${dut1_if2_ip6}
+| | ... | ${dut_link_ip6_prefix}
+| | VPP set If IPv6 addr | ${dut2_node} | ${dut2_to_dut1} | ${dut2_if1_ip6}
+| | ... | ${dut_link_ip6_prefix}
+| | VPP set If IPv6 addr | ${dut2_node} | ${dut2_to_tg} | ${dut2_if2_ip6}
+| | ... | ${dut_tg_ip6_prefix}
+| | ...
+| | Vpp Route Add | ${dut1_node} | ${tg_if2_ip6} | ${dut_tg_ip6_prefix}
+| | ... | ${dut2_if1_ip6} | ${dut1_to_dut2}
+| | Vpp Route Add | ${dut2_node} | ${tg_if1_ip6} | ${dut_tg_ip6_prefix}
+| | ... | ${dut1_if2_ip6} | ${dut2_to_dut1}
+| | ...
+| | Run Keyword Unless | '${remote_host1_ip6}' == '${NONE}'
+| | ... | Vpp Route Add | ${dut1_node} | ${remote_host1_ip6}
+| | ... | ${remote_host_ip6_prefix} | ${tg_if1_ip6} | ${dut1_to_tg}
+| | Run Keyword Unless | '${remote_host2_ip6}' == '${NONE}'
+| | ... | Vpp Route Add | ${dut1_node} | ${remote_host2_ip6}
+| | ... | ${remote_host_ip6_prefix} | ${dut2_if1_ip6} | ${dut1_to_dut2}
+| | Run Keyword Unless | '${remote_host1_ip6}' == '${NONE}'
+| | ... | Vpp Route Add | ${dut2_node} | ${remote_host1_ip6}
+| | ... | ${remote_host_ip6_prefix} | ${dut1_if2_ip6} | ${dut2_to_dut1}
+| | Run Keyword Unless | '${remote_host2_ip6}' == '${NONE}'
+| | ... | Vpp Route Add | ${dut2_node} | ${remote_host2_ip6}
+| | ... | ${remote_host_ip6_prefix} | ${tg_if2_ip6} | ${dut2_to_tg}