+| | ... | \| Initialize L2 xconnect with Vhost-User and VLAN with VPP link\
+| | ... | bonding in 3-node circular topology \| /tmp/sock1 \| /tmp/sock2 \
+| | ... | \| 10 \| pop-1 \| \| xor \| l34 \|
+| | ...
+| | [Arguments] | ${sock1} | ${sock2} | ${subid} | ${tag_rewrite} | ${bond_mode}
+| | ... | ${lb_mode}
+| | ...
+| | Set interfaces in path up
+| | ${dut1_eth_bond_if1}= | VPP Create Bond Interface | ${dut1} | ${bond_mode}
+| | ... | ${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}
+| | ... | ${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}
+| | ... | ${dut2_eth_bond_if1}
+| | VPP Show Bond Data On All Nodes | ${nodes} | details=${TRUE}
+| | Initialize VLAN dot1q sub-interfaces in 3-node circular topology
+| | ... | ${dut1} | ${dut1_eth_bond_if1} | ${dut2} | ${dut2_eth_bond_if1}
+| | ... | ${subid}
+| | Configure L2 tag rewrite method on interfaces
+| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2}
+| | ... | ${tag_rewrite}
+| | Configure vhost interfaces for L2BD forwarding | ${dut1}
+| | ... | ${sock1} | ${sock2}
+| | Configure L2XC | ${dut1} | ${dut1_if1} | ${vhost_if1}
+| | Configure L2XC | ${dut1} | ${subif_index_1} | ${vhost_if2}
+| | Configure vhost interfaces for L2BD forwarding | ${dut2}
+| | ... | ${sock1} | ${sock2}
+| | Configure L2XC | ${dut2} | ${subif_index_2} | ${vhost_if1}
+| | Configure L2XC | ${dut2} | ${dut2_if2} | ${vhost_if2}
+
+| Initialize L2 bridge domain in 2-node circular topology
+| | [Documentation]
+| | ... | Setup L2 DB topology by adding two interfaces on DUT into BD
+| | ... | that is created automatically with index 1. Learning is enabled.
+| | ... | Interfaces are brought up.
+| | ...
+| | ... | *Arguments:*
+| | ... | - bd_id - Bridge domain ID. Type: integer
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Initialize L2 bridge domain in 2-node circular topology \| 1 \|
+| | ...
+| | [Arguments] | ${bd_id}=${1}
+| | ...
+| | Set interfaces in path up
+| | Add interface to bridge domain | ${dut1} | ${dut1_if1} | ${bd_id}
+| | Add interface to bridge domain | ${dut1} | ${dut1_if2} | ${bd_id}
+
+| Initialize L2 bridge domain in 3-node circular topology
+| | [Documentation]
+| | ... | Setup L2 DB topology by adding two interfaces on each DUT into BD
+| | ... | that is created automatically with index 1. Learning is enabled.
+| | ... | Interfaces are brought up.
+| | ...
+| | ... | *Arguments:*
+| | ... | - bd_id - Bridge domain ID. Type: integer
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Initialize L2 bridge domain in 3-node circular topology \| 1 \|
+| | ...
+| | [Arguments] | ${bd_id}=${1}
+| | ...
+| | Set interfaces in path up
+| | Add interface to bridge domain | ${dut1} | ${dut1_if1} | ${bd_id}
+| | Add interface to bridge domain | ${dut1} | ${dut1_if2} | ${bd_id}
+| | Add interface to bridge domain | ${dut2} | ${dut2_if1} | ${bd_id}
+| | Add interface to bridge domain | ${dut2} | ${dut2_if2} | ${bd_id}
+
+| Configure IPv4 ACLs
+| | [Documentation]
+| | ... | Configure ACL with required number of not-hitting permit ACEs plus two
+| | ... | hitting ACEs for both traffic directions.
+| | ...
+| | ... | *Arguments:*
+| | ... | - dut_node - DUT node. Type: dictionary
+| | ... | - dut_if1 - DUT node interface1 name (Optional). Type: string
+| | ... | - dut_if2 - DUT node interface2 name (Optional). Type: string
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Configure IPv4 ACLs \| ${nodes['DUT1']} \| GigabitEthernet0/7/0 \
+| | ... | \| GigabitEthernet0/8/0 \|
+| | ...
+| | ... | _NOTE:_ This KW uses following test case variables:
+| | ... | - ${src_ip_start} - Source IP address start. Type: string
+| | ... | - ${dst_ip_start} - Destination IP address start. Type: string
+| | ... | - ${ip_step} - IP address step. Type: string
+| | ... | - ${sport_start} - Source port number start. Type: string
+| | ... | - ${dport_start} - Destination port number start. Type: string
+| | ... | - ${port_step} - Port number step. Type: string
+| | ... | - ${no_hit_aces_number} - Number of not-hitting ACEs to be configured.