+| 2-node circular Topology Variables Setup with DUT interface model
+| | [Documentation] | Find a path between TG-DUT1-TG based on interface
+| | ... | model provided as an argument. Set suite variables
+| | ... | tg, tg_if1, tg_if2, dut1, dut1_if1, dut1_if2,
+| | [Arguments] | ${iface_model}
+| | ${iface_model_list}= | Create list | ${iface_model}
+| | Append Node | ${nodes['TG']}
+| | Append Node | ${nodes['DUT1']} | filter_list=${iface_model_list}
+| | Append Node | ${nodes['TG']}
+| | Compute Path
+| | ${tg_if1} | ${tg}= | Next Interface
+| | ${dut1_if1} | ${dut1}= | Next Interface
+| | ${dut1_if2} | ${dut1}= | Next Interface
+| | ${tg_if2} | ${tg}= | Next Interface
+| | Set Suite Variable | ${tg}
+| | Set Suite Variable | ${tg_if1}
+| | Set Suite Variable | ${tg_if2}
+| | Set Suite Variable | ${dut1}
+| | Set Suite Variable | ${dut1_if1}
+| | Set Suite Variable | ${dut1_if2}
+
+| 3-node circular Topology Variables Setup with DUT interface model
+| | [Documentation] | Find a path between TG-DUT1-DUT2-TG based on interface
+| | ... | model provided as an argument. Set suite variables
+| | ... | tg, tg_if1, tg_if2, dut1, dut1_if1, dut1_if2,
+| | ... | dut2, dut2_if1, dut2_if2
+| | [Arguments] | ${iface_model}
+| | ${iface_model_list}= | Create list | ${iface_model}
+| | Append Node | ${nodes['TG']}
+| | Append Node | ${nodes['DUT1']} | filter_list=${iface_model_list}
+| | Append Node | ${nodes['DUT2']} | filter_list=${iface_model_list}
+| | Append Node | ${nodes['TG']}
+| | Compute Path
+| | ${tg_if1} | ${tg}= | Next Interface
+| | ${dut1_if1} | ${dut1}= | Next Interface
+| | ${dut1_if2} | ${dut1}= | Next Interface
+| | ${dut2_if1} | ${dut2}= | Next Interface
+| | ${dut2_if2} | ${dut2}= | Next Interface
+| | ${tg_if2} | ${tg}= | Next Interface
+| | Set Suite Variable | ${tg}
+| | Set Suite Variable | ${tg_if1}
+| | Set Suite Variable | ${tg_if2}
+| | Set Suite Variable | ${dut1}
+| | Set Suite Variable | ${dut1_if1}
+| | Set Suite Variable | ${dut1_if2}
+| | Set Suite Variable | ${dut2}
+| | Set Suite Variable | ${dut2_if1}
+| | Set Suite Variable | ${dut2_if2}
+
+| VPP interfaces in path are up in a 2-node circular topology
+| | [Documentation] | *Set UP state on VPP interfaces in path on nodes.*
+| | ...
+| | Set Interface State | ${dut1} | ${dut1_if1} | up
+| | Set Interface State | ${dut1} | ${dut1_if2} | up
+| | Vpp Node Interfaces Ready Wait | ${dut1}
+
+| VPP interfaces in path are up in a 3-node circular topology
+| | [Documentation] | *Set UP state on VPP interfaces in path on nodes.*
+| | ...
+| | Set Interface State | ${dut1} | ${dut1_if1} | up
+| | Set Interface State | ${dut1} | ${dut1_if2} | up
+| | Set Interface State | ${dut2} | ${dut2_if1} | up
+| | Set Interface State | ${dut2} | ${dut2_if2} | up
+| | Vpp Node Interfaces Ready Wait | ${dut1}
+| | Vpp Node Interfaces Ready Wait | ${dut2}
+