-| | [Documentation]
-| | ... | [Cfg] DUT runs L2BD switching config with 4 threads, 4 phy cores, \
-| | ... | 2 receive queues per NIC port. [Ver] Find PDR for IMIX_v4_1 frame \
-| | ... | size using binary search start at 40GE linerate, step 10kpps, LT=0.5%.
-| | ... | IMIX_v4_1 = (28x64B; 16x570B; 4x1518B)
-| | ...
-| | [Tags] | IMIX | 4T4C | MTHREAD | PDRDISC | SKIP_PATCH
-| | ...
-| | ${framesize}= | Set Variable | IMIX_v4_1
-| | ${min_rate}= | Set Variable | ${10000}
-| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${353.83333}
-| | ${binary_min}= | Set Variable | ${min_rate}
-| | ${binary_max}= | Set Variable | ${max_rate}
-| | ${threshold}= | Set Variable | ${min_rate}
-| | ${dut1_vm_refs}= | Create Dictionary
-| | ${dut2_vm_refs}= | Create Dictionary
-| | Set Test Variable | ${dut1_vm_refs}
-| | Set Test Variable | ${dut2_vm_refs}
-| | Given Add '4' worker threads and '2' rxqueues in 3-node single-link circular topology
-| | And Add PCI devices to DUTs in 3-node single link topology
-| | And Add no multi seg to all DUTs
-| | And Apply startup configuration on all VPP DUTs
-| | When Initialize L2 bridge domains with Vhost-User for '2' VMs in 3-node circular topology
-| | And Configure '2' guest VMs with dpdk-testpmd connected via vhost-user in 3-node circular topology
-| | Then Find PDR using binary search and pps
-| | ... | ${framesize} | ${binary_min} | ${binary_max} | ${traffic_profile}
-| | ... | ${min_rate} | ${max_rate} | ${threshold}
-| | ... | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}