-| | ${tg_port} | ${tg_node}= | First Interface
-| | ${dut1_port} | ${dut1_node}= | Next Interface
-| | ${dut2_port} | ${dut2_node}= | Last Interface
-| | Set Suite Variable | ${tg_node}
+| | ${dut1_to_dut2_if} | ${dut1_node}= | Next Interface
+| | ${dut2_to_dut1_if} | ${dut2_node}= | Next Interface
+| | ${dut1_to_dut2_if_name}= | DMM Get Interface Name
+| | ... | ${dut1_node} | ${dut1_to_dut2_if}
+| | ${dut2_to_dut1_if_name}= | DMM Get Interface Name
+| | ... | ${dut2_node} | ${dut2_to_dut1_if}