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  "report": "======================================================================\nRFC 2544 FIRMWARE COMPARISON REPORT\nGenerated: 2026-04-11 05:19:04\nDUT: USW-Pro-48-PoE, Ports 49-52 (10G SFP+)\nIXIA Ports: 1.5-1.8\nFW A: 7.2.123 (US.7.2.123)\nFW B: 7.4.1 (US.7.4.1)\n======================================================================\n\n======================================================================\nTHROUGHPUT COMPARISON\n======================================================================\n   Frame     FW A %    FW A Mbps     FW B %    FW B Mbps     Diff\n--------------------------------------------------------------\n      64     74.48%        7448     48.18%        4818 -26.30%\n     128     99.23%        9923     89.17%        8917 -10.06%\n     256     70.61%        7061     46.63%        4663 -23.98%\n     512     99.23%        9923     18.79%        1879 -80.44%\n    1024     99.23%        9923     86.85%        8685 -12.38%\n    1280     91.49%        9149     73.70%        7370 -17.79%\n    1518     74.48%        7448     63.65%        6365 -10.83%\n\n======================================================================\nLATENCY COMPARISON (store-and-forward)\n======================================================================\n   Frame     FW A avg     FW A max     FW B avg     FW B max   Diff avg\n--------------------------------------------------------------------\n      64       0.97us       1.30us       0.99us       1.31us +0.02us\n     128       0.97us       1.29us       0.99us       1.33us +0.02us\n     256       0.96us       1.31us       0.99us       1.30us +0.03us\n     512       0.96us       1.30us       0.99us       1.32us +0.03us\n    1024       0.96us       1.30us       0.99us       1.31us +0.03us\n    1280       0.96us       1.31us       0.99us       1.31us +0.03us\n    1518       0.97us       1.30us       0.99us       1.31us +0.02us\n\n======================================================================\nFRAME LOSS COMPARISON (loss % at 100% offered rate)\n======================================================================\n   Frame       FW A       FW B       Diff\n----------------------------------------\n      64   -0.0000%   -0.0000% +0.0000%\n     128   -0.0000%    0.0000% +0.0000%\n     256   -0.0000%   -0.0000% +0.0000%\n     512    0.0000%    0.0000% +0.0000%\n    1024   -0.0000%   -0.0000% +0.0000%\n    1280   -0.0000%    0.0000% +0.0000%\n    1518   -0.0000%   -0.0000% +0.0000%\n\n======================================================================\nVERDICT\n======================================================================\nREGRESSIONS DETECTED:\n  - Throughput regression at 64B: 74.48% -> 48.18%\n  - Throughput regression at 128B: 99.23% -> 89.17%\n  - Throughput regression at 256B: 70.61% -> 46.63%\n  - Throughput regression at 512B: 99.23% -> 18.79%\n  - Throughput regression at 1024B: 99.23% -> 86.85%\n  - Throughput regression at 1280B: 91.49% -> 73.70%\n  - Throughput regression at 1518B: 74.48% -> 63.65%\n======================================================================"
}