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Performance Tuning Queues - BufferBloat

General pfSense Questions
networking bufferbloat queues traffic shaping
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  • R
    rooter156
    last edited by Apr 2, 2023, 3:16 PM

    Hi all,

    I am currently trying to diagnose some bufferbloat issues I am having on my network. I was wondering if there was any method to view the current transmission queue utilization(how many packets in the transmission queue)? The queue that is related to the net.link.ifqmaxlen value.

    I'm looking for a command similar to how you can view the utilization of the txqueue with tc -s qdisc show dev eth0 on debian.

    Any insight would be great, thanks.

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    • S
      stephenw10 Netgate Administrator
      last edited by Apr 3, 2023, 12:25 PM

      Are you using shaping and FQ-CoDel to do this?

      In that case you can see the queues used by AltQ in Status > Queues. Or using pfctl -sq -v at the CLI.

      Steve

      R 1 Reply Last reply Apr 3, 2023, 1:05 PM Reply Quote 0
      • R
        rooter156 @stephenw10
        last edited by Apr 3, 2023, 1:05 PM

        @stephenw10 thanks for the reply, I am not using FQ_CODEL, I wanted to see how full the transmission queue was without any traffic shapers.

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        • S
          stephenw10 Netgate Administrator
          last edited by Apr 3, 2023, 1:26 PM

          Hmm, I'm not sure how to show that per interface. Possibly some combination of netstat -i and netstat -Q

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