Create ip4scale tests for 2-node topology

[csit.git] / resources / libraries / robot / performance / performance_configuration.robot

diff --git a/resources/libraries/robot/performance/performance_configuration.robot b/resources/libraries/robot/performance/performance_configuration.robot
index a435561..88847b5 100644 (file)
--- a/resources/libraries/robot/performance/performance_configuration.robot
+++ b/resources/libraries/robot/performance/performance_configuration.robot
@@ -45,19 +45,65 @@
 | | ...
 # TODO: Rework KW to set all interfaces in path UP and set MTU (including
 # software interfaces. Run KW at the start phase of VPP setup to split
-# from other "functial" configuration. This will allow modularity of this
+# from other "functional" configuration. This will allow modularity of this
 # library
 | | ${duts}= | Get Matches | ${nodes} | DUT*
 | | :FOR | ${dut} | IN | @{duts}
-| | | Set Interface State | ${nodes['${dut}']} | ${${dut}_if1} | up
-| | | Set Interface State | ${nodes['${dut}']} | ${${dut}_if2} | up
+| | | ${if1_status} | ${value}= | Run Keyword And Ignore Error
+| | | ... | Variable Should Exist | ${${dut}_if1}
+| | | Run Keyword If | '${if1_status}' == 'PASS'
+| | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if1} | up
+| | | ... | ELSE
+| | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if1_1} | up
+| | | Run Keyword Unless | '${if1_status}' == 'PASS'
+| | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if1_2} | up
+| | | ${if2_status} | ${value}= | Run Keyword And Ignore Error
+| | | ... | Variable Should Exist | ${${dut}_if2}
+| | | Run Keyword If | '${if2_status}' == 'PASS'
+| | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if2} | up
+| | | ... | ELSE
+| | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if2_1} | up
+| | | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | | ... | Set Interface State | ${nodes['${dut}']} | ${${dut}_if2_2} | up
 | | All VPP Interfaces Ready Wait | ${nodes}
 | | ${duts}= | Get Matches | ${nodes} | DUT*
 | | :FOR | ${dut} | IN | @{duts}
-| | | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if1}
-| | | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if2}
+| | | ${if1_status} | ${value}= | Run Keyword And Ignore Error
+| | | ... | Variable Should Exist | ${${dut}_if1}
+| | | Run Keyword If | '${if1_status}' == 'PASS'
+| | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if1}
+| | | ... | ELSE
+| | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if1_1}
+| | | Run Keyword Unless | '${if1_status}' == 'PASS'
+| | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if1_2}
+| | | ${if2_status} | ${value}= | Run Keyword And Ignore Error
+| | | ... | Variable Should Exist | ${${dut}_if2}
+| | | Run Keyword If | '${if2_status}' == 'PASS'
+| | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if2}
+| | | ... | ELSE
+| | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if2_1}
+| | | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | | ... | VPP Set Interface MTU | ${nodes['${dut}']} | ${${dut}_if2_2}
 | | All VPP Interfaces Ready Wait | ${nodes}
 
+| Initialize AVF interfaces
+| | [Documentation]
+| | ... | Initialize AVF interfaces on each DUT. Interfaces are brought up.
+| | ...
+| | ${duts}= | Get Matches | ${nodes} | DUT*
+| | :FOR | ${dut} | IN | @{duts}
+| | | ${if1_pci}= | Get Interface PCI Addr | ${nodes['${dut}']}
+| | | ... | ${${dut}_if1_vf0}
+| | | ${if2_pci}= | Get Interface PCI Addr | ${nodes['${dut}']}
+| | | ... | ${${dut}_if2_vf0}
+| | | ${dut_eth_vf_if1}= | VPP Create AVF Interface | ${nodes['${dut}']}
+| | | ... | ${if1_pci}
+| | | ${dut_eth_vf_if2}= | VPP Create AVF Interface | ${nodes['${dut}']}
+| | | ... | ${if2_pci}
+| | | Set Test Variable | ${${dut}_if1} | ${dut_eth_vf_if1}
+| | | Set Test Variable | ${${dut}_if2} | ${dut_eth_vf_if2}
+| | Set interfaces in path up
+
 | Initialize IPSec in 3-node circular topology
 | | [Documentation]
 | | ... | Set UP state on VPP interfaces in path on nodes in 3-node circular
@@ -97,55 +143,60 @@
 | | Vpp Route Add | ${dut1} | ${laddr_ip4} | 8 | ${tg_if1_ip4} | ${dut1_if1}
 | | Vpp Route Add | ${dut2} | ${raddr_ip4} | 8 | ${tg_if2_ip4} | ${dut2_if2}
 
-| Initialize IPv4 forwarding in 2-node circular topology
+| Initialize IPv4 forwarding in circular topology
 | | [Documentation]
-| | ... | Set UP state on VPP interfaces in path on nodes 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 and
-| | ... | /30 prefix on DUT1 link.
+| | ... | 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.
 | | ...
-| | Set interfaces in path up
-| | ${tg1_if1_mac}= | Get Interface MAC | ${tg} | ${tg_if1}
-| | ${tg1_if2_mac}= | Get Interface MAC | ${tg} | ${tg_if2}
-| | Add arp on dut | ${dut1} | ${dut1_if1} | 10.10.10.2 | ${tg1_if1_mac}
-| | Add arp on dut | ${dut1} | ${dut1_if2} | 20.20.20.2 | ${tg1_if2_mac}
-| | Configure IP addresses on interfaces | ${dut1} | ${dut1_if1}
-| | ... | 10.10.10.1 | 24
-| | Configure IP addresses on interfaces | ${dut1} | ${dut1_if2}
-| | ... | 20.20.20.1 | 24
-
-| 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 and
-| | ... | /30 prefix on DUT1-DUT2 link. Set routing on both DUT nodes with
-| | ... | prefix /24 and next hop of neighbour DUT interface IPv4 address.
+| | ${dut2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut2}
 | | ...
 | | Set interfaces in path up
+| | ...
 | | ${tg1_if1_mac}= | Get Interface MAC | ${tg} | ${tg_if1}
 | | ${tg1_if2_mac}= | Get Interface MAC | ${tg} | ${tg_if2}
-| | ${dut1_if2_mac}= | Get Interface MAC | ${dut1} | ${dut1_if2}
-| | ${dut2_if1_mac}= | Get Interface MAC | ${dut2} | ${dut2_if1}
+| | ${dut1_if2_mac}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Get Interface MAC | ${dut1} | ${dut1_if2}
+| | ${dut2_if1_mac}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Get Interface MAC | ${dut2} | ${dut2_if1}
+| | ...
 | | Add arp on dut | ${dut1} | ${dut1_if1} | 10.10.10.2 | ${tg1_if1_mac}
-| | Add arp on dut | ${dut1} | ${dut1_if2} | 1.1.1.2 | ${dut2_if1_mac}
-| | Add arp on dut | ${dut2} | ${dut2_if1} | 1.1.1.1 | ${dut1_if2_mac}
-| | Add arp on dut | ${dut2} | ${dut2_if2} | 20.20.20.2 | ${tg1_if2_mac}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Add arp on dut | ${dut1} | ${dut1_if2} | 1.1.1.2 | ${dut2_if1_mac}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Add arp on dut | ${dut2} | ${dut2_if1} | 1.1.1.1 | ${dut1_if2_mac}
+| | ${dut}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Set Variable | ${dut2}
+| | ... | ELSE | Set Variable | ${dut1}
+| | ${dut_if2}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Set Variable | ${dut2_if2}
+| | ... | ELSE | Set Variable | ${dut1_if2}
+| | Add arp on dut | ${dut} | ${dut_if2} | 20.20.20.2 | ${tg1_if2_mac}
+| | ...
 | | Configure IP addresses on interfaces | ${dut1} | ${dut1_if1}
 | | ... | 10.10.10.1 | 24
-| | Configure IP addresses on interfaces | ${dut1} | ${dut1_if2}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Configure IP addresses on interfaces | ${dut1} | ${dut1_if2}
 | | ... | 1.1.1.1 | 30
-| | Configure IP addresses on interfaces | ${dut2} | ${dut2_if1}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Configure IP addresses on interfaces | ${dut2} | ${dut2_if1}
 | | ... | 1.1.1.2 | 30
-| | Configure IP addresses on interfaces | ${dut2} | ${dut2_if2}
+| | Configure IP addresses on interfaces | ${dut} | ${dut_if2}
 | | ... | 20.20.20.1 | 24
-| | Vpp Route Add | ${dut1} | 20.20.20.0 | 24 | 1.1.1.2 | ${dut1_if2}
-| | Vpp Route Add | ${dut2} | 10.10.10.0 | 24 | 1.1.1.1 | ${dut2_if1}
+| | ...
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Vpp Route Add | ${dut1} | 20.20.20.0 | 24 | 1.1.1.2 | ${dut1_if2}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Vpp Route Add | ${dut2} | 10.10.10.0 | 24 | 1.1.1.1 | ${dut2_if1}
 
-| Initialize IPv4 forwarding with scaling in 3-node circular topology
+| Initialize IPv4 forwarding with scaling in circular topology
 | | [Documentation]
 | | ... | Custom setup of IPv4 topology with scalability of ip routes on all
-| | ... | DUT nodes in 3-node circular topology
+| | ... | DUT nodes in 2-node / 3-node circular topology
 | | ...
 | | ... | *Arguments:*
 | | ... | - ${count} - IP route count. Type: integer
@@ -160,26 +211,44 @@
 | | ...
 | | [Arguments] | ${count}
 | | ...
+| | ${dut2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut2}
+| | ...
 | | Set interfaces in path up
+| | ...
 | | ${tg1_if1_mac}= | Get Interface MAC | ${tg} | ${tg_if1}
 | | ${tg1_if2_mac}= | Get Interface MAC | ${tg} | ${tg_if2}
-| | ${dut1_if2_mac}= | Get Interface MAC | ${dut1} | ${dut1_if2}
-| | ${dut2_if1_mac}= | Get Interface MAC | ${dut2} | ${dut2_if1}
+| | ${dut1_if2_mac}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Get Interface MAC | ${dut1} | ${dut1_if2}
+| | ${dut2_if1_mac}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Get Interface MAC | ${dut2} | ${dut2_if1}
 | | Add arp on dut | ${dut1} | ${dut1_if1} | 1.1.1.1 | ${tg1_if1_mac}
-| | Add arp on dut | ${dut1} | ${dut1_if2} | 2.2.2.2 | ${dut2_if1_mac}
-| | Add arp on dut | ${dut2} | ${dut2_if1} | 2.2.2.1 | ${dut1_if2_mac}
-| | Add arp on dut | ${dut2} | ${dut2_if2} | 3.3.3.1 | ${tg1_if2_mac}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Add arp on dut | ${dut1} | ${dut1_if2} | 2.2.2.2 | ${dut2_if1_mac}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Add arp on dut | ${dut2} | ${dut2_if1} | 2.2.2.1 | ${dut1_if2_mac}
+| | ${dut}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Set Variable | ${dut2}
+| | ... | ELSE | Set Variable | ${dut1}
+| | ${dut_if2}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Set Variable | ${dut2_if2}
+| | ... | ELSE | Set Variable | ${dut1_if2}
+| | Add arp on dut | ${dut} | ${dut_if2} | 3.3.3.1 | ${tg1_if2_mac}
 | | Configure IP addresses on interfaces | ${dut1} | ${dut1_if1} | 1.1.1.2 | 30
-| | Configure IP addresses on interfaces | ${dut1} | ${dut1_if2} | 2.2.2.1 | 30
-| | Configure IP addresses on interfaces | ${dut2} | ${dut2_if1} | 2.2.2.2 | 30
-| | Configure IP addresses on interfaces | ${dut2} | ${dut2_if2} | 3.3.3.2 | 30
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Configure IP addresses on interfaces | ${dut1} | ${dut1_if2} | 2.2.2.1 | 30
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Configure IP addresses on interfaces | ${dut2} | ${dut2_if1} | 2.2.2.2 | 30
+| | Configure IP addresses on interfaces | ${dut} | ${dut_if2} | 3.3.3.2 | 30
 | | Vpp Route Add | ${dut1} | 10.0.0.0 | 32 | 1.1.1.1 | ${dut1_if1}
 | | ... | count=${count}
-| | Vpp Route Add | ${dut1} | 20.0.0.0 | 32 | 2.2.2.2 | ${dut1_if2}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Vpp Route Add | ${dut1} | 20.0.0.0 | 32 | 2.2.2.2 | ${dut1_if2}
 | | ... | count=${count}
-| | Vpp Route Add | ${dut2} | 10.0.0.0 | 32 | 2.2.2.1 | ${dut2_if1}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Vpp Route Add | ${dut2} | 10.0.0.0 | 32 | 2.2.2.1 | ${dut2_if1}
 | | ... | count=${count}
-| | Vpp Route Add | ${dut2} | 20.0.0.0 | 32 | 3.3.3.1 | ${dut2_if2}
+| | Vpp Route Add | ${dut} | 20.0.0.0 | 32 | 3.3.3.1 | ${dut_if2}
 | | ... | count=${count}
 
 | Initialize IPv4 forwarding with vhost in 2-node circular topology
@@ -224,7 +293,7 @@
 | | ${tg1_if1_mac}= | Get Interface MAC | ${tg} | ${tg_if1}
 | | ${tg1_if2_mac}= | Get Interface MAC | ${tg} | ${tg_if2}
 | | Add arp on dut | ${dut1} | ${dut1_if1} | 1.1.1.1 | ${tg1_if1_mac}
-| | Add arp on dut | ${dut1} | ${dut1_if2} | 2.2.2.2 | ${dut2_if1_mac}
+| | Add arp on dut | ${dut1} | ${dut1_if2} | 2.2.2.2 | ${tg1_if2_mac}
 | | Vpp Route Add | ${dut1} | 10.10.10.0 | 24 | 1.1.1.1 | ${dut1_if1}
 | | ... | vrf=${fib_table_1}
 | | Vpp Route Add | ${dut1} | 20.20.20.0 | 24 | 2.2.2.2 | ${dut1_if2}
@@ -443,11 +512,11 @@
 | | | Vpp Route Add | ${dut2} | 10.10.10.0 | 24 | ${ip_net_vif2}.2
 | | | ... | ${dut2-vhost-${number}-if2} | vrf=${fib_table_2}
 
-| Initialize IPv4 policer 2r3c-${t} in 3-node circular topology
+| Initialize IPv4 policer 2r3c-${t} in circular topology
 | | [Documentation]
 | | ... | Setup of 2r3c color-aware or color-blind policer with dst ip match
-| | ... | on all DUT nodes in 3-node circular topology. Policer is applied on
-| | ... | links TG - DUT1 and DUT2 - TG.
+| | ... | on all DUT nodes in 2-node / 3-node circular topology. Policer is
+| | ... | applied on links TG - DUTx.
 | | ...
 | | ${dscp}= | DSCP AF22
 | | Policer Set Name | policer1
@@ -468,8 +537,18 @@
 | | Policer Classify Set Interface | ${dut1_if1}
 | | Policer Classify Set Match IP | 20.20.20.2 | ${False}
 | | Policer Set Configuration
-| | Policer Set Node | ${dut2}
-| | Policer Classify Set Interface | ${dut2_if2}
+| | ${dut2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut2}
+| | ${dut}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Set Variable | ${dut2}
+| | ... | ELSE | Set Variable | ${dut1}
+| | ${dut_if2}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Set Variable | ${dut2_if2}
+| | ... | ELSE | Set Variable | ${dut1_if2}
+| | Run Keyword Unless | '${dut2_status}' == 'PASS'
+| | ... | Policer Set Name | policer2
+| | Policer Set Node | ${dut}
+| | Policer Classify Set Interface | ${dut_if2}
 | | Policer Classify Set Match IP | 10.10.10.2 | ${False}
 | | Policer Set Configuration
 
@@ -984,13 +1063,31 @@
 | | ... | ${lb_mode}
 | | Set Interface State | ${dut1} | ${dut1_eth_bond_if1} | up
 | | VPP Set interface MTU | ${dut1} | ${dut1_eth_bond_if1}
-| | VPP Enslave Physical Interface | ${dut1} | ${dut1_if2}
+| | ${if2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut1_if2}
+| | Run Keyword If | '${if2_status}' == 'PASS'
+| | ... | VPP Enslave Physical Interface | ${dut1} | ${dut1_if2}
+| | ... | ${dut1_eth_bond_if1}
+| | ... | ELSE
+| | ... | VPP Enslave Physical Interface | ${dut1} | ${dut1_if2_1}
+| | ... | ${dut1_eth_bond_if1}
+| | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | ... | VPP Enslave Physical Interface | ${dut1} | ${dut1_if2_2}
 | | ... | ${dut1_eth_bond_if1}
 | | ${dut2_eth_bond_if1}= | VPP Create Bond Interface | ${dut2} | ${bond_mode}
 | | ... | ${lb_mode}
 | | Set Interface State | ${dut2} | ${dut2_eth_bond_if1} | up
 | | VPP Set interface MTU | ${dut1} | ${dut1_eth_bond_if1}
-| | VPP Enslave Physical Interface | ${dut2} | ${dut2_if1}
+| | ${if1_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut2_if1}
+| | Run Keyword If | '${if1_status}' == 'PASS'
+| | ... | VPP Enslave Physical Interface | ${dut2} | ${dut2_if1}
+| | ... | ${dut2_eth_bond_if1}
+| | ... | ELSE
+| | ... | VPP Enslave Physical Interface | ${dut2} | ${dut2_if1_1}
+| | ... | ${dut2_eth_bond_if1}
+| | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | ... | VPP Enslave Physical Interface | ${dut2} | ${dut2_if1_2}
 | | ... | ${dut2_eth_bond_if1}
 | | VPP Show Bond Data On All Nodes | ${nodes} | details=${TRUE}
 | | Initialize VLAN dot1q sub-interfaces in 3-node circular topology
@@ -1171,13 +1268,14 @@
 | | Configure L2XC | ${dut2} | ${dut2_if1} | ${dut2_if2}
 | | Configure IPv4 ACLs | ${dut1} | ${dut1_if1} | ${dut1_if2}
 
-| Initialize IPv4 routing for '${ip_nr}' addresses with IPv4 ACLs on DUT1 in 3-node circular topology
+| Initialize IPv4 routing for '${ip_nr}' addresses with IPv4 ACLs on DUT1 in 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 and
-| | ... | /30 prefix on DUT1-DUT2 link. Set routing on both DUT nodes with
-| | ... | prefix /24 and next hops of neighbour DUT interface IPv4 address.
+| | ... | 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.
 | | ... | Apply required ACL rules to DUT1 interfaces.
 | | ...
 | | ... | *Arguments:*
@@ -1189,32 +1287,59 @@
 | | ... | in 3-node circular topology \|
 | | ...
 | | ... | _NOTE:_ This KW uses following test case variables:
+| | ... | - ${tg} - TG node.
 | | ... | - ${dut1} - DUT1 node.
 | | ... | - ${dut2} - DUT2 node.
-| | ... | - ${dut1_if1} - DUT1 interface towards TG.
-| | ... | - ${dut1_if2} - DUT1 interface towards DUT2.
-| | ... | - ${dut2_if1} - DUT2 interface towards DUT1.
-| | ... | - ${dut2_if2} - DUT2 interface towards TG.
+| | ... | - ${tg_if1} - TG interface 1 towards DUT1.
+| | ... | - ${tg_if2} - TG interface 2 towards DUT2 (3-node topo) or DUT1
+| | ... | (2-node topo).
+| | ... | - ${dut1_if1} - DUT1 interface 1 towards TG.
+| | ... | - ${dut1_if2} - DUT1 interface 2 towards DUT2 (3-node topo) or TG
+| | ... | (2-node topo).
+| | ... | - ${dut2_if1} - DUT2 interface 1 towards DUT1.
+| | ... | - ${dut2_if2} - DUT2 interface 2 towards TG.
+| | ...
+| | ${dut2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut2}
+| | ${dut}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Set Variable | ${dut2}
+| | ... | ELSE | Set Variable | ${dut1}
+| | ${dut_if2}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Set Variable | ${dut2_if2}
+| | ... | ELSE | Set Variable | ${dut1_if2}
 | | ...
 | | Set interfaces in path up
+| | ...
 | | ${tg1_if1_mac}= | Get Interface MAC | ${tg} | ${tg_if1}
 | | ${tg1_if2_mac}= | Get Interface MAC | ${tg} | ${tg_if2}
-| | ${dut1_if2_mac}= | Get Interface MAC | ${dut1} | ${dut1_if2}
-| | ${dut2_if1_mac}= | Get Interface MAC | ${dut2} | ${dut2_if1}
+| | ${dut1_if2_mac}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Get Interface MAC | ${dut1} | ${dut1_if2}
+| | ${dut2_if1_mac}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Get Interface MAC | ${dut2} | ${dut2_if1}
+| | ...
 | | :FOR | ${number} | IN RANGE | 2 | ${ip_nr}+2
 | | | Add arp on dut | ${dut1} | ${dut1_if1} | 10.10.10.${number}
 | | | ... | ${tg1_if1_mac}
-| | | Add arp on dut | ${dut2} | ${dut2_if2} | 20.20.20.${number}
+| | | Add arp on dut | ${dut} | ${dut_if2} | 20.20.20.${number}
 | | | ... | ${tg1_if2_mac}
-| | Add arp on dut | ${dut1} | ${dut1_if2} | 1.1.1.2 | ${dut2_if1_mac}
-| | Add arp on dut | ${dut2} | ${dut2_if1} | 1.1.1.1 | ${dut1_if2_mac}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Add arp on dut | ${dut1} | ${dut1_if2} | 1.1.1.2 | ${dut2_if1_mac}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Add arp on dut | ${dut2} | ${dut2_if1} | 1.1.1.1 | ${dut1_if2_mac}
+| | ...
 | | Configure IP addresses on interfaces
 | | ... | ${dut1} | ${dut1_if1} | 10.10.10.1 | 24
+| | ... | ${dut} | ${dut_if2} | 20.20.20.1 | 24
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Configure IP addresses on interfaces
 | | ... | ${dut1} | ${dut1_if2} | 1.1.1.1 | 30
 | | ... | ${dut2} | ${dut2_if1} | 1.1.1.2 | 30
-| | ... | ${dut2} | ${dut2_if2} | 20.20.20.1 | 24
-| | Vpp Route Add | ${dut1} | 20.20.20.0 | 24 | 1.1.1.2 | ${dut1_if2}
-| | Vpp Route Add | ${dut2} | 10.10.10.0 | 24 | 1.1.1.1 | ${dut2_if1}
+| | ...
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Vpp Route Add | ${dut1} | 20.20.20.0 | 24 | 1.1.1.2 | ${dut1_if2}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Vpp Route Add | ${dut2} | 10.10.10.0 | 24 | 1.1.1.1 | ${dut2_if1}
+| | ...
 | | Configure IPv4 ACLs | ${dut1} | ${dut1_if1} | ${dut1_if2}
 
 | Configure MACIP ACLs
@@ -1704,13 +1829,31 @@
 | | ... | ${lb_mode}
 | | Set Interface State | ${dut1} | ${dut1_eth_bond_if1} | up
 | | VPP Set interface MTU | ${dut1} | ${dut1_eth_bond_if1}
-| | VPP Enslave Physical Interface | ${dut1} | ${dut1_if2}
+| | ${if2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut1_if2}
+| | Run Keyword If | '${if2_status}' == 'PASS'
+| | ... | VPP Enslave Physical Interface | ${dut1} | ${dut1_if2}
+| | ... | ${dut1_eth_bond_if1}
+| | ... | ELSE
+| | ... | VPP Enslave Physical Interface | ${dut1} | ${dut1_if2_1}
+| | ... | ${dut1_eth_bond_if1}
+| | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | ... | VPP Enslave Physical Interface | ${dut1} | ${dut1_if2_2}
 | | ... | ${dut1_eth_bond_if1}
 | | ${dut2_eth_bond_if1}= | VPP Create Bond Interface | ${dut2} | ${bond_mode}
 | | ... | ${lb_mode}
 | | Set Interface State | ${dut2} | ${dut2_eth_bond_if1} | up
 | | VPP Set interface MTU | ${dut2} | ${dut2_eth_bond_if1}
-| | VPP Enslave Physical Interface | ${dut2} | ${dut2_if1}
+| | ${if1_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut2_if1}
+| | Run Keyword If | '${if1_status}' == 'PASS'
+| | ... | VPP Enslave Physical Interface | ${dut2} | ${dut2_if1}
+| | ... | ${dut2_eth_bond_if1}
+| | ... | ELSE
+| | ... | VPP Enslave Physical Interface | ${dut2} | ${dut2_if1_1}
+| | ... | ${dut2_eth_bond_if1}
+| | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | ... | VPP Enslave Physical Interface | ${dut2} | ${dut2_if1_2}
 | | ... | ${dut2_eth_bond_if1}
 | | VPP Show Bond Data On All Nodes | ${nodes} | details=${TRUE}
 | | Initialize VLAN dot1q sub-interfaces in 3-node circular topology
@@ -1738,11 +1881,43 @@
 | | ...
 | | ${duts}= | Get Matches | ${nodes} | DUT*
 | | :FOR | ${dut} | IN | @{duts}
-| | | ${if1_pci}= | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if1}
-| | | ${if2_pci}= | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if2}
-| | | Run keyword | ${dut}.Add DPDK Dev | ${if1_pci} | ${if2_pci}
-| | | Set Test Variable | ${${dut}_if1_pci} | ${if1_pci}
-| | | Set Test Variable | ${${dut}_if2_pci} | ${if2_pci}
+| | | ${if1_status} | ${value}= | Run Keyword And Ignore Error
+| | | ... | Variable Should Exist | ${${dut}_if1}
+| | | ${if1_pci}= | Run Keyword If | '${if1_status}' == 'PASS'
+| | | ... | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if1}
+| | | ${if1_1_pci}= | Run Keyword Unless | '${if1_status}' == 'PASS'
+| | | ... | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if1_1}
+| | | ${if1_2_pci}= | Run Keyword Unless | '${if1_status}' == 'PASS'
+| | | ... | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if1_2}
+| | | ${if2_status} | ${value}= | Run Keyword And Ignore Error
+| | | ... | Variable Should Exist | ${${dut}_if2}
+| | | ${if2_pci}= | Run Keyword If | '${if2_status}' == 'PASS'
+| | | ... | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if2}
+| | | ${if2_1_pci}= | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | | ... | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if2_1}
+| | | ${if2_2_pci}= | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | | ... | Get Interface PCI Addr | ${nodes['${dut}']} | ${${dut}_if2_2}
+| | | @{pci_devs}= | Run Keyword If | '${if1_status}' == 'PASS'
+| | | ... | Create List | ${if1_pci}
+| | | ... | ELSE
+| | | ... | Create List | ${if1_1_pci} | ${if1_2_pci}
+| | | Run Keyword If | '${if2_status}' == 'PASS'
+| | | ... | Append To List | ${pci_devs} | ${if2_pci}
+| | | ... | ELSE
+| | | ... | Append To List | ${pci_devs} | ${if2_1_pci} | ${if2_2_pci}
+| | | Run keyword | ${dut}.Add DPDK Dev | @{pci_devs}
+| | | Run Keyword If | '${if1_status}' == 'PASS'
+| | | ... | Set Test Variable | ${${dut}_if1_pci} | ${if1_pci}
+| | | Run Keyword Unless | '${if1_status}' == 'PASS'
+| | | ... | Set Test Variable | ${${dut}_if1_1_pci} | ${if1_1_pci}
+| | | Run Keyword Unless | '${if1_status}' == 'PASS'
+| | | ... | Set Test Variable | ${${dut}_if1_2_pci} | ${if1_2_pci}
+| | | Run Keyword If | '${if2_status}' == 'PASS'
+| | | ... | Set Test Variable | ${${dut}_if2_pci} | ${if2_pci}
+| | | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | | ... | Set Test Variable | ${${dut}_if2_1_pci} | ${if2_1_pci}
+| | | Run Keyword Unless | '${if2_status}' == 'PASS'
+| | | ... | Set Test Variable | ${${dut}_if2_2_pci} | ${if2_2_pci}
 
 | Add single PCI device to all DUTs
 | | [Documentation]
@@ -1757,7 +1932,7 @@
 | | | Run keyword | ${dut}.Add DPDK Dev | ${if1_pci}
 | | | Set Test Variable | ${${dut}_if1_pci} | ${if1_pci}
 
-| Add VLAN Strip Offload switch off between DUTs in 3-node single link topology
+| Add VLAN strip offload switch off between DUTs in 3-node single link topology
 | | [Documentation]
 | | ... | Add VLAN Strip Offload switch off on PCI devices between DUTs to VPP
 | | ... | configuration file.
@@ -1767,6 +1942,20 @@
 | | Run keyword | DUT2.Add DPDK Dev Parameter | ${dut2_if1_pci}
 | | ... | vlan-strip-offload | off
 
+| Add VLAN strip offload switch off between DUTs in 3-node double link topology
+| | [Documentation]
+| | ... | Add VLAN Strip Offload switch off on PCI devices between DUTs to VPP
+| | ... | configuration file.
+| | ...
+| | Run keyword | DUT1.Add DPDK Dev Parameter | ${dut1_if2_1_pci}
+| | ... | vlan-strip-offload | off
+| | Run keyword | DUT1.Add DPDK Dev Parameter | ${dut1_if2_2_pci}
+| | ... | vlan-strip-offload | off
+| | Run keyword | DUT2.Add DPDK Dev Parameter | ${dut2_if1_1_pci}
+| | ... | vlan-strip-offload | off
+| | Run keyword | DUT2.Add DPDK Dev Parameter | ${dut2_if1_2_pci}
+| | ... | vlan-strip-offload | off
+
 | Add DPDK bonded ethernet interfaces to DUTs in 3-node single link topology
 | | [Documentation]
 | | ... | Add DPDK bonded Ethernet interfaces with mode XOR and transmit policy
@@ -1776,8 +1965,8 @@
 | | Run keyword | DUT2.Add DPDK Eth Bond Dev | 0 | 2 | l34 | ${dut2_if1_pci}
 
 | Add DPDK bonded ethernet interfaces to topology file in 3-node single link topology
-| | Add Bond Eth Interface | ${dut1} | ${dut1_eth_bond_if1_name}
-| | Add Bond Eth Interface | ${dut2} | ${dut2_eth_bond_if1_name}
+| | Add Eth Interface | ${dut1} | ${dut1_eth_bond_if1_name} | ifc_pfx=eth_bond
+| | Add Eth Interface | ${dut2} | ${dut2_eth_bond_if1_name} | ifc_pfx=eth_bond
 
 | Configure guest VM with dpdk-testpmd connected via vhost-user
 | | [Documentation]
@@ -1819,8 +2008,17 @@
 | | Run keyword | ${vm_name}.Qemu Set Serial Port | ${serial_port}
 | | ${ssh_fwd_port}= | Evaluate | ${qemu_id} + ${10021}
 | | Run keyword | ${vm_name}.Qemu Set Ssh Fwd Port | ${ssh_fwd_port}
-| | ${dut_numa}= | Get interfaces numa node | ${nodes['${dut}']}
-| | ... | ${${dut}_if1} | ${${dut}_if2}
+| | ${if1_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${${dut}_if1}
+| | @{if_list}= | Run Keyword If | '${if1_status}' == 'PASS'
+| | ... | Create List | ${${dut}_if1}
+| | ... | ELSE | Create List | ${${dut}_if1_1} | ${${dut}_if1_2}
+| | ${if2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${${dut}_if2}
+| | Run Keyword If | '${if2_status}' == 'PASS'
+| | ... | Append To List | ${if_list} | ${${dut}_if2}
+| | ... | ELSE | Append To List | ${if_list} | ${${dut}_if2_1} | ${${dut}_if2_2}
+| | ${dut_numa}= | Get interfaces numa node | ${nodes['${dut}']} | @{if_list}
 # Compute CPU placement for VM based on expected DUT placement.
 | | ${os_cpus}= | Set Variable | ${1}
 | | ${dut_main_cpus}= | Set Variable | ${1}
@@ -2351,35 +2549,54 @@
 | | Add arp on dut | ${dut2} | ${dut2_if1} | ${dut1_dut2_ip4_address}
 | | ... | ${dut1_if2_mac}
 
-| Initialize NAT44 in 3-node circular topology
-| | [Documentation] | Initialization of 3-node topology with NAT44 between DUTs:
+| Initialize NAT44 in circular topology
+| | [Documentation] | Initialization of 2-node / 3-node topology with NAT44
+| | ... | between DUTs:
 | | ... | - set interfaces up
 | | ... | - set IP addresses
 | | ... | - set ARP
 | | ... | - create routes
 | | ... | - set NAT44 - only on DUT1
 | | ...
+| | ${dut2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${dut2}
+| | ...
 | | Set interfaces in path up
 | | ...
 | | Configure IP addresses on interfaces | ${dut1} | ${dut1_if1} | 10.0.0.1 | 20
-| | Configure IP addresses on interfaces | ${dut1} | ${dut1_if2} | 11.0.0.1 | 20
-| | Configure IP addresses on interfaces | ${dut2} | ${dut2_if1} | 11.0.0.2 | 20
-| | Configure IP addresses on interfaces | ${dut2} | ${dut2_if2} | 12.0.0.1 | 20
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Configure IP addresses on interfaces | ${dut1} | ${dut1_if2} | 11.0.0.1 | 20
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Configure IP addresses on interfaces | ${dut2} | ${dut2_if1} | 11.0.0.2 | 20
+| | ${dut}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Set Variable | ${dut2}
+| | ... | ELSE | Set Variable | ${dut1}
+| | ${dut_if2}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Set Variable | ${dut2_if2}
+| | ... | ELSE | Set Variable | ${dut1_if2}
+| | Configure IP addresses on interfaces | ${dut} | ${dut_if2} | 12.0.0.1 | 20
 | | ...
 | | ${tg_if1_mac}= | Get Interface MAC | ${tg} | ${tg_if1}
 | | ${tg_if2_mac}= | Get Interface MAC | ${tg} | ${tg_if2}
-| | ${dut1_if2_mac}= | Get Interface MAC | ${dut1} | ${dut1_if2}
-| | ${dut2_if1_mac}= | Get Interface MAC | ${dut2} | ${dut2_if1}
+| | ${dut1_if2_mac}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Get Interface MAC | ${dut1} | ${dut1_if2}
+| | ${dut2_if1_mac}= | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Get Interface MAC | ${dut2} | ${dut2_if1}
 | | ...
 | | Add arp on dut | ${dut1} | ${dut1_if1} | 10.0.0.2 | ${tg_if1_mac}
-| | Add arp on dut | ${dut1} | ${dut1_if2} | 11.0.0.2 | ${dut2_if1_mac}
-| | Add arp on dut | ${dut2} | ${dut2_if1} | 11.0.0.1 | ${dut1_if2_mac}
-| | Add arp on dut | ${dut2} | ${dut2_if2} | 12.0.0.2 | ${tg_if2_mac}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Add arp on dut | ${dut1} | ${dut1_if2} | 11.0.0.2 | ${dut2_if1_mac}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Add arp on dut | ${dut2} | ${dut2_if1} | 11.0.0.1 | ${dut1_if2_mac}
+| | Add arp on dut | ${dut} | ${dut_if2} | 12.0.0.2 | ${tg_if2_mac}
 | | ...
-| | Vpp Route Add | ${dut1} | 12.0.0.2 | 32 | 11.0.0.2 | ${dut1_if2}
 | | Vpp Route Add | ${dut1} | 20.0.0.0 | 18 | 10.0.0.2 | ${dut1_if1}
-| | Vpp Route Add | ${dut2} | 12.0.0.0 | 24 | 12.0.0.2 | ${dut2_if2}
-| | Vpp Route Add | ${dut2} | 200.0.0.0 | 30 | 11.0.0.1 | ${dut2_if1}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Vpp Route Add | ${dut1} | 12.0.0.2 | 32 | 11.0.0.2 | ${dut1_if2}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Vpp Route Add | ${dut2} | 12.0.0.0 | 24 | 12.0.0.2 | ${dut2_if2}
+| | Run Keyword If | '${dut2_status}' == 'PASS'
+| | ... | Vpp Route Add | ${dut2} | 200.0.0.0 | 30 | 11.0.0.1 | ${dut2_if1}
 | | ...
 | | Configure inside and outside interfaces
 | | ... | ${dut1} | ${dut1_if1} | ${dut1_if2}
@@ -2504,6 +2721,148 @@
 | | Set interfaces in path up
 | | Show Memif on all DUTs | ${nodes}
 
+| Initialize IPv4 routing with memif pairs on DUT node
+| | [Documentation]
+| | ... | Create pairs of Memif interfaces on DUT node. Put each Memif interface
+| | ... | to separate IPv4 VRF with one physical or virtual interface
+| | ... | to create a chain accross DUT node.
+| | ...
+| | ... | *Arguments:*
+| | ... | - ${dut} - DUT node. Type: dictionary
+| | ... | - ${count} - Number of memif pairs (containers). Type: integer
+| | ...
+| | ... | *Note:*
+| | ... | Socket paths for Memif are defined in following format:
+| | ... | - /tmp/memif-${dut}_VNF${number}-${sid}
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Initialize IPv4 routing with memif pairs on DUT node \
+| | ... | \| ${dut} \| ${1} \|
+| | ...
+| | [Arguments] | ${dut} | ${count}
+| | ...
+| | @{duts}= | Get Matches | ${nodes} | DUT*
+| | ${dut_index}= | Get Index From List | ${duts} | ${dut}
+| | ${duts_length}= | Get Length | ${duts}
+| | ${last_dut_index}= | Evaluate | ${duts_length} - ${1}
+| | ...
+| | ${tg_if1_net}= | Set Variable | 10.10.10.0
+| | ${tg_if2_net}= | Set Variable | 20.20.20.0
+| | ...
+| | ${fib_table_1}= | Set Variable | ${10}
+| | Run Keyword If | ${fib_table_1} > ${0}
+| | ... | Add Fib Table | ${nodes['${dut}']} | ${fib_table_1}
+| | ${ip_base_if1}= | Evaluate | ${dut_index} + ${1}
+| | ${ip_net_if1}= | Set Variable
+| | ... | ${ip_base_if1}.${ip_base_if1}.${ip_base_if1}
+| | Vpp Route Add | ${nodes['${dut}']} | ${tg_if1_net} | 24 | vrf=${fib_table_1}
+| | ... | gateway=${ip_net_if1}.1 | interface=${${dut}_if1} | multipath=${TRUE}
+| | Assign Interface To Fib Table | ${nodes['${dut}']} | ${${dut}_if1}
+| | ... | ${fib_table_1}
+| | Configure IP addresses on interfaces | ${nodes['${dut}']} | ${${dut}_if1}
+| | ... | ${ip_net_if1}.2 | 30
+| | ${prev_node}= | Run Keyword If | ${dut_index} == ${0}
+| | ... | Set Variable | TG
+| | ... | ELSE | Get From List | ${duts} | ${dut_index-${1}}
+| | ${prev_if}= | Run Keyword If | ${dut_index} == ${0}
+| | ... | Set Variable | if1
+| | ... | ELSE | Set Variable | if2
+| | ${prev_if_mac}= | Get Interface MAC | ${nodes['${prev_node}']}
+| | ... | ${${prev_node}_${prev_if}}
+| | Add ARP on DUT | ${nodes['${dut}']} | ${${dut}_if1} | ${ip_net_if1}.1
+| | ... | ${prev_if_mac}
+| | ...
+| | ${fib_table_2}= | Evaluate | ${fib_table_1} + ${count}
+| | Add Fib Table | ${nodes['${dut}']} | ${fib_table_2}
+| | ${ip_base_if2}= | Evaluate | ${ip_base_if1} + ${1}
+| | ${ip_net_if2}= | Set Variable
+| | ... | ${ip_base_if2}.${ip_base_if2}.${ip_base_if2}
+| | Vpp Route Add | ${nodes['${dut}']} | ${tg_if2_net} | 24 | vrf=${fib_table_2}
+| | ... | gateway=${ip_net_if2}.2 | interface=${${dut}_if2} | multipath=${TRUE}
+| | Assign Interface To Fib Table | ${nodes['${dut}']} | ${${dut}_if2}
+| | ... | ${fib_table_2}
+| | Configure IP addresses on interfaces | ${nodes['${dut}']} | ${${dut}_if2}
+| | ... | ${ip_net_if2}.1 | 30
+| | ${next_node}= | Run Keyword If | ${dut_index} == ${last_dut_index}
+| | ... | Set Variable | TG
+| | ... | ELSE | Get From List | ${duts} | ${dut_index+${1}}
+| | ${next_if}= | Run Keyword If | ${dut_index} == ${last_dut_index}
+| | ... | Set Variable | if2
+| | ... | ELSE | Set Variable | if1
+| | ${next_if_mac}= | Get Interface MAC | ${nodes['${next_node}']}
+| | ... | ${${next_node}_${next_if}}
+| | Add ARP on DUT | ${nodes['${dut}']} | ${${dut}_if2} | ${ip_net_if2}.2
+| | ... | ${next_if_mac}
+| | ...
+| | ${fib_table_1}= | Evaluate | ${fib_table_1} - ${1}
+| | ${ip_base_start}= | Set Variable | ${31}
+| | :FOR | ${number} | IN RANGE | 1 | ${count+${1}}
+| | | ${sock1}= | Set Variable | memif-${dut}_VNF
+| | | ${sock2}= | Set Variable | memif-${dut}_VNF
+| | | Set up memif interfaces on DUT node | ${nodes['${dut}']}
+| | | ... | ${sock1} | ${sock2} | ${number} | ${dut}-memif-${number}-if1
+| | | ... | ${dut}-memif-${number}-if2 | ${rxq_count_int} | ${rxq_count_int}
+| | | ${memif1}= | Set Variable | ${${dut}-memif-${number}-if1}
+| | | ${memif2}= | Set Variable | ${${dut}-memif-${number}-if2}
+| | | ${fib_table_1}= | Evaluate | ${fib_table_1} + ${1}
+| | | ${fib_table_2}= | Evaluate | ${fib_table_1} + ${1}
+| | | Run Keyword Unless | ${number} == ${count}
+| | | ... | Add Fib Table | ${nodes['${dut}']} | ${fib_table_2}
+| | | Assign Interface To Fib Table | ${nodes['${dut}']}
+| | | ... | ${memif1} | ${fib_table_1}
+| | | Assign Interface To Fib Table | ${nodes['${dut}']}
+| | | ... | ${memif2} | ${fib_table_2}
+| | | ${ip_base_memif1}= | Evaluate
+| | | ... | ${ip_base_start} + (${number} - ${1}) * ${2}
+| | | ${ip_base_memif2}= | Evaluate | ${ip_base_memif1} + ${1}
+| | | ${ip_net_memif1}= | Set Variable
+| | | ... | ${ip_base_memif1}.${ip_base_memif1}.${ip_base_memif1}
+| | | ${ip_net_memif2}= | Set Variable
+| | | ... | ${ip_base_memif2}.${ip_base_memif2}.${ip_base_memif2}
+| | | Configure IP addresses on interfaces
+| | | ... | ${nodes['${dut}']} | ${memif1} | ${ip_net_memif1}.1 | 30
+| | | ... | ${nodes['${dut}']} | ${memif2} | ${ip_net_memif2}.1 | 30
+| | | Vpp Route Add | ${nodes['${dut}']} | ${tg_if2_net} | 24
+| | | ... | vrf=${fib_table_1} | gateway=${ip_net_memif2}.1
+| | | ... | interface=${memif1}
+| | | Vpp Route Add | ${nodes['${dut}']} | ${tg_if1_net} | 24
+| | | ... | vrf=${fib_table_2} | gateway=${ip_net_memif1}.1
+| | | ... | interface=${memif2}
+| | | ${memif_if1_key}= | Get interface by sw index | ${nodes['${dut}']}
+| | | ... | ${memif1}
+| | | ${memif_if1_mac}= | Get interface mac | ${nodes['${dut}']}
+| | | ... | ${memif_if1_key}
+| | | ${memif_if2_key}= | Get interface by sw index | ${nodes['${dut}']}
+| | | ... | ${memif2}
+| | | ${memif_if2_mac}= | Get interface mac | ${nodes['${dut}']}
+| | | ... | ${memif_if2_key}
+| | | Add arp on dut | ${nodes['${dut}']} | ${memif1} | ${ip_net_memif2}.1
+| | | ... | ${memif_if2_mac}
+| | | Add arp on dut | ${nodes['${dut}']} | ${memif2} | ${ip_net_memif1}.1
+| | | ... | ${memif_if1_mac}
+
+| Initialize IPv4 routing with memif pairs
+| | [Documentation]
+| | ... | Create pairs of Memif interfaces on all defined VPP nodes. Put each
+| | ... | Memif interface to separate IPv4 VRF with one physical or
+| | ... | virtual interface to create a chain accross DUT node.
+| | ...
+| | ... | *Arguments:*
+| | ... | - ${count} - Number of memif pairs (containers). Type: integer
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Initialize IPv4 routing with memif pairs \| ${1} \|
+| | ...
+| | [Arguments] | ${count}=${1}
+| | ...
+| | ${duts}= | Get Matches | ${nodes} | DUT*
+| | :FOR | ${dut} | IN | @{duts}
+| | | Initialize IPv4 routing with memif pairs on DUT node | ${dut} | ${count}
+| | Set interfaces in path up
+| | Show Memif on all DUTs | ${nodes}
+
 | Initialize L2 xconnect for single memif
 | | [Documentation]
 | | ... | Create single Memif interface on all defined VPP nodes. Cross