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    ipv6 broken: radvd: can't join ipv6-allrouters on <interface>

    Scheduled Pinned Locked Moved 2.5 Development Snapshots (Retired)
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    • S Offline
      strangegopher @w0w
      last edited by

      @w0w said in ipv6 broken: radvd: can't join ipv6-allrouters on <interface>:

      @jimp when do we expect snapshots based on FreeBSD 12.1? Is it coming early 2020?
      Happy holidays! 😉

      im sure upgrading to 12.1 will break other things and require more testing. But I hope this issue will be fixed.

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      • ? Offline
        A Former User @strangegopher
        last edited by

        @strangegopher said in ipv6 broken: radvd: can't join ipv6-allrouters on <interface>:

        im sure upgrading to 12.1 will break other things and require more testing. But I hope this issue will be fixed.

        I’m reasonably current with 12.1 and haven’t noticed any new issues and a few other issues have been fixed. Most of the 2.50 pfsense commits to 12.0 apply to 12.1 without conflicts.

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        • S Offline
          strangegopher @Guest
          last edited by

          @rschell thats great news! thanks for all the work. Happy holidays!

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          • w0wW Away
            w0w @Guest
            last edited by

            @rschell
            Ronald, any chances to get already compiled radvd with patch provided on https://redmine.pfsense.org/issues/9577? Just for testing.

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            • ? Offline
              A Former User @w0w
              last edited by

              @w0w I can give it a try. I’ll have to update my 2.5 version first, it’s been a while.

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              • ? Offline
                A Former User @w0w
                last edited by A Former User

                @w0w said in ipv6 broken: radvd: can't join ipv6-allrouters on <interface>:

                @rschell
                Ronald, any chances to get already compiled radvd with patch provided on https://redmine.pfsense.org/issues/9577? Just for testing.

                I think I got a RADVD version based on 2.5 now. My build machine is based on stable-12 and there was a linker change that required changing one of the linker options (added -z notext).

                The test version is based on the 2.5 source changing the behavior of setup_allrouters_membership routine in the RADVD port. From the code listed in 9577, I changed the dimension of the msockets table from 10 to 50 and added a logging message when a socket has been added to the table and also expanded the "can't join" message to include additional information should the IPV6_JOIN_GROUP call fail. Normal operation should log the following messages in the Routing log, one for each interface configured:

                Feb 11 08:28:18 	radvd 	78824 	version 2.18 started
Feb 11 08:28:18 	radvd 	78834 	adding ipv6-allrouters on em0, sock: 4, iface->props.if_index:1

                I have the txz file ready and have posted it to the redmine issue #9577 for those who wish to test the alternate patch.

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                • w0wW Away
                  w0w
                  last edited by

                  Thanks, testing.

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                  • M Offline
                    motific @w0w
                    last edited by

                    @w0w - any results so far?

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                    • kiokomanK Offline
                      kiokoman LAYER 8
                      last edited by kiokoman

                      i'm start testing right now, we need at least 24 h to tell if it's ok. no prob so far :)

                      Feb 13 18:58:33 	radvd 	38033 	adding ipv6-allrouters on ix0.100, sock: 4, iface->props.if_index:12
Feb 13 18:58:33 	radvd 	37849 	version 2.18 started

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                      • w0wW Away
                        w0w
                        last edited by

                        Yes, I can confirm that IPv6 works good. About 36 hours and no problem.

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                        • kiokomanK Offline
                          kiokoman LAYER 8
                          last edited by

                          after all this days it's still working good
                          great job @rschell

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                          • kiokomanK Offline
                            kiokoman LAYER 8
                            last edited by

                            @rschell idk if it's related to this update but lately i had trouble with my ipv6 tunnel, i still need to investigate but the problem is that my tunnel does not work after a reboot
                            the gif is up but gateway monitor say packet loss 100%
                            i had to reboot 2 / 3 times in a row to make it work again

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                            • ? Offline
                              A Former User @kiokoman
                              last edited by

                              @kiokoman Unlikely related to the proposed patch. I'm using an 6RD stf interface and have noticed issues with loss of the WAN connection. Might be a timing issue with the gif interface, not certain.

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                              • kiokomanK Offline
                                kiokoman LAYER 8
                                last edited by

                                some kind of race condition at boot maybe, also if i wait some hours the tunnel start to work alone. but it's faster if i reboot until it start working. idk the problem started last week just after i moved pfsense from bare metal to esxi, probably something to do with that

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                                • ? Offline
                                  A Former User @kiokoman
                                  last edited by

                                  @kiokoman I've noticed that bare metal vs Hyper V behave differently in subtle ways.

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                                  • kiokomanK Offline
                                    kiokoman LAYER 8
                                    last edited by kiokoman

                                    ok i think that i found what's going on, if i disable openvpn before restarting pfsense the tunnel work.
                                    so i have to disable openvpn, restart pfsense, and when it's up i can start the openvpn otherwise i have trouble

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                                    • w0wW Away
                                      w0w
                                      last edited by w0w

                                      Looks like there are no error messages on the latest STABLE snapshots.

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                                      • kiokomanK Offline
                                        kiokoman LAYER 8
                                        last edited by kiokoman

                                        do we no longer have to apply that patch manually?
                                        I have not yet had time to update and verify

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                                          w0w @kiokoman
                                          last edited by

                                          @kiokoman
                                          Wait for 24h and I tell you :)

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                                          • kiokomanK Offline
                                            kiokoman LAYER 8
                                            last edited by

                                            all clear for now

                                            May 2 12:34:32 	radvd 	73936 	resuming normal operation
May 2 12:34:32 	radvd 	73936 	attempting to reread config file
May 2 12:02:28 	radvd 	73936 	adding ipv6-allrouters on vmx1.100, sock: 4, iface->props.if_index:8
May 2 12:02:28 	radvd 	73720 	version 2.18 started

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