| | ... | ${encr_alg} | ${encr_key} | ${auth_alg} | ${auth_key}
| | ... | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${laddr_ip4} | ${raddr_ip4}
| | ... | ${addr_range}
-| | And Set interfaces in path in 3-node circular topology up
| | Then Find NDR and PDR intervals using optimized search
| | ... | ${framesize} | ${traffic_profile} | ${min_rate} | ${max_rate}