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    upgrading to 25.07, if_pppoe and new bug or what?

    Scheduled Pinned Locked Moved General pfSense Questions
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    • C Offline
      Cyber100 @stephenw10
      last edited by Cyber100

      @stephenw10

      Yes, the traffic is normal, without losses. And everything is fine in general. This started right after the upgrade to 25.07. Before that, on the same configuration, this was not observed.

      pppoe.png

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      • stephenw10S Offline
        stephenw10 Netgate Administrator @Cyber100
        last edited by

        @Cyber100 said in upgrading to 25.07, if_pppoe and new bug or what?:

        Before that, on the same configuration, this was not observed.

        But to be clear that was in 24.11?

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        • C Offline
          Cyber100 @stephenw10
          last edited by

          @stephenw10 yep, in 24.11

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          • stephenw10S Offline
            stephenw10 Netgate Administrator
            last edited by

            Ok and you're seeing that continuously? Not just after a reboot or re-connection?

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            • C Offline
              Cyber100 @stephenw10
              last edited by

              @stephenw10 Rebooted twice, log entries continue to appear every two to three seconds.

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              • stephenw10S Offline
                stephenw10 Netgate Administrator
                last edited by

                Can you show the output from: pppcfg pppoe0

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                • C Offline
                  Cyber100 @stephenw10
                  last edited by

                  @stephenw10 dev: igb1 state: session
                  sid: 0x47fb PADI retries: 1 PADR retries: 0 time: 10:12:30
                  sppp: phase network authproto auto authname "MYUSERNAMEHERE" peerproto auto
                  dns: dns1 dns2

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                  • stephenw10S Offline
                    stephenw10 Netgate Administrator
                    last edited by

                    Hmm, seeing that error implies pfSense is seeing pppoe packets from different session on the interface. Normally that would only ever happen immediately after boot or reconnecting when the server side still has an old session active. But it should time out shortly after that. If you're seeing them continue something else is happening.
                    We might need a packet capture to see what's happening there.

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                    • C Offline
                      Cyber100 @stephenw10
                      last edited by

                      @stephenw10 Yes, I also assumed that it might not be a closed old session on the provider side. I will monitor for some time. Thank you.

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                      • C Offline
                        Cyber100 @stephenw10
                        last edited by

                        @stephenw10 I've been watching for two days - nothing has changed, still a lot of spam in system.log "pppoe: alien host unique tag, no session found". Disabled "Use if_pppoe kernel module for PPPoE client" and rebooted - now the log is clean.

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                        • stephenw10S Offline
                          stephenw10 Netgate Administrator
                          last edited by

                          That error is from the PPPoE module so it won't show if you're not using it even if they are still arriving.

                          Not much we can do here without more data. I suggest trying to capture these rogue packets on the WAN in a pcap.

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                          • M Online
                            mxt3rs
                            last edited by

                            I can confirm this is fault with the ISP , In my case ISP keep the ipv6 session alive even if i disconnect and i wont get any v6 connectivity on subsequent connection , i have to contact isp to give me to fix it. they will assign me a new block but wont invalidate old session. i send them captures both as photo and pcap, i still failed make them understand that their BRAS have bug. when upgraded to if_pppoe this started filling the system log. Is there any way to silence this message ? does github has if_pppoe source for public to take a look ?
                            attaching capture for RA messages in two different sessions
                            pppoe_ras.pcapng

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                            • stephenw10S Offline
                              stephenw10 Netgate Administrator
                              last edited by

                              Ah, that's fun*. Not currently there isn't, either source or a way to suppress it as far as I know. We are adding more refined logging output now.

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