Much slower speed on DEC2750 vs Linux VM

Started by craig, May 09, 2024, 05:39:27 PM

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I've been getting much lower speeds when running speedtest on my DEC2750 vs a Linux VM (ultimately connected to the DEC2750).

Included speedtests from each below, was wondering if anyone else had experienced this, and what was the cause?

Linux VM
speedtest --server-id 62845

   Speedtest by Ookla

      Server: Netcalibre - London (id: 62845)
         ISP: Netcalibre
Idle Latency:    14.07 ms   (jitter: 0.11ms, low: 13.98ms, high: 14.26ms)
    Download:   764.81 Mbps (data used: 1.3 GB)
                 13.28 ms   (jitter: 0.56ms, low: 12.38ms, high: 20.27ms)
      Upload:   107.42 Mbps (data used: 53.8 MB)
                 13.97 ms   (jitter: 0.36ms, low: 12.78ms, high: 15.01ms)
Packet Loss:     0.0%
  Result URL: https://www.speedtest.net/result/c/5bdd45ce-6b89-4767-bd4b-67d3bb8563ab



DEC2750
speedtest --server-id 62845

   Speedtest by Ookla

      Server: Netcalibre - London (id: 62845)
         ISP: Netcalibre
Idle Latency:    14.02 ms   (jitter: 0.14ms, low: 13.91ms, high: 14.17ms)
    Download:   295.77 Mbps (data used: 493.8 MB)
                 13.07 ms   (jitter: 1.86ms, low: 12.15ms, high: 232.27ms)
      Upload:   105.77 Mbps (data used: 101.0 MB)
                 13.52 ms   (jitter: 0.57ms, low: 12.11ms, high: 16.02ms)
Packet Loss:     0.0%
  Result URL: https://www.speedtest.net/result/c/10093fda-0d10-43fb-841e-160a16f54056

Guessing from your earlier posts, you have traffic shaping enabled. See this.

Also, if you did not enable RSS on OpnSense itself, it may well be that its original speeds are not as much optimized as the through traffic it just routes.
Intel N100, 4 x I226-V, 16 GByte, 256 GByte NVME, ZTE F6005

1100 down / 770 up, Bufferbloat A