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Limiter not working with IPv6 active

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  • T Offline
    th3voic3
    last edited by Jun 15, 2023, 2:24 PM

    Hi,

    I always wondered why my limiters don't seem to have any effect following this guide https://docs.netgate.com/pfsense/en/latest/recipes/codel-limiters.html.

    Today I decided to do some testing and set the limiter to 50 Mbit (for a gigabit connection) and still got full speed. The I disabled ipv6 in pfsense and the limiter started working. The thing is I have two floating rules one for ipv4 and one for ipv6 and the ipv6 one is an exact copy of the ipv4 rule only with protocol ipv6 and the ipv6 gateway.

    I'm using pfsense 2.6.0

    T 1 Reply Last reply Jun 21, 2023, 12:43 PM Reply Quote 0
    • T Offline
      th3voic3 @th3voic3
      last edited by Jun 21, 2023, 12:43 PM

      Update: Also tested with the 2.7 Beta same problem. Also for the IPv6 rule I can see evaluations but no states, so the rule doesn't seem to be applied.

      B 1 Reply Last reply Jun 21, 2023, 1:00 PM Reply Quote 0
      • B Offline
        Bob.Dig LAYER 8 @th3voic3
        last edited by Jun 21, 2023, 1:00 PM

        @th3voic3 How about showing what you did (wrong)... 😉

        T 1 Reply Last reply Jun 21, 2023, 1:19 PM Reply Quote 0
        • T Offline
          th3voic3 @Bob.Dig
          last edited by Jun 21, 2023, 1:19 PM

          @Bob-Dig I'd be happy to.

          I made some screenshots to show all the relevant sections. Let me know if you want to see something else.

          Screenshot 2023-06-21 at 15.09.16.png Screenshot 2023-06-21 at 15.09.36.png Screenshot 2023-06-21 at 15.09.45.png Screenshot 2023-06-21 at 15.09.53.png Screenshot 2023-06-21 at 15.10.10.png Screenshot 2023-06-21 at 15.10.32.png Screenshot 2023-06-21 at 15.10.43.png Screenshot 2023-06-21 at 15.10.58.png Screenshot 2023-06-21 at 15.11.08.png

          I do all my tests with https://www.waveform.com/tools/bufferbloat and if I go to System -> Advanced -> Networking and disable "Allow IPv6" and reset states I get zero added latency under load and an A+ while with IPv6 this fluctuates heavily.

          B 1 Reply Last reply Jun 21, 2023, 1:25 PM Reply Quote 0
          • B Offline
            Bob.Dig LAYER 8 @th3voic3
            last edited by Bob.Dig Jun 21, 2023, 1:39 PM Jun 21, 2023, 1:25 PM

            @th3voic3 The source in the rule can't be WAN-address because you most probably don't NAT with IPv6, use any instead or if you have a fixed prefix, use that.

            T 1 Reply Last reply Jun 21, 2023, 2:08 PM Reply Quote 0
            • T Offline
              th3voic3 @Bob.Dig
              last edited by Jun 21, 2023, 2:08 PM

              @Bob-Dig And that fixed my problem. Thanks!

              1 Reply Last reply Reply Quote 0
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