While playing with the WG MTU, it seemed to work with only setting one end and the tunnel used the smallest, but I played it safe and set everything to 1340.
It would be good to know what the precise answer is. Lonnie > On Mar 19, 2021, at 9:57 PM, Michael Knill > <michael.kn...@ipcsolutions.com.au> wrote: > > Thanks Lonnie. > > PS I was just thinking (dangerous I know). I would need to set it on both > ends so do you think there would there be any issues with different MTU's at > each end? > Ultimately it would be the same eventually but there would be a migration > period. > > Regards > Michael Knill > > On 20/3/21, 1:41 pm, "Lonnie Abelbeck" <li...@lonnie.abelbeck.com> wrote: > > I haven't seen any issues with a WG MTU of 1340, yet anyway. > > Lonnie > > >> On Mar 19, 2021, at 9:29 PM, Michael Knill >> <michael.kn...@ipcsolutions.com.au> wrote: >> >> Thanks Lonnie >> >> Hmm that may have something to do with it. Might also be when it fails over >> to 4G. >> As most of my VPN's carry voice only, I think a standard MTU of 1340 for all >> my systems should be fine. What do you think? >> >> Regards >> Michael Knill >> >> On 20/3/21, 10:40 am, "Lonnie Abelbeck" <li...@lonnie.abelbeck.com> wrote: >> >> Hi Michael, >> >> I have not experienced anything like that, WireGuard connectivity is rock >> solid for me. >> >> I don't recall later WireGuard versions having any fixes for what you are >> describing. >> >> Just guessing, the standard MTU for WG is 1420 (1500-80), if you have a >> PPPoE connection with a MTU of 1492 you might try setting the WG MTU to 1412 >> (1500-8-80) or lower to test. >> >> I'm testing a 4G-LTE/5G fixed wireless internet service from T-Mobile, >> they use Carrier Grade NAT (CGNAT) for IPv4 which lowers the MTU to 1420 >> (just like WG) so WG needs a MTU setting of 1340 to work over the CGNAT or >> else it hangs. >> >> Lonnie >> >> >> >> >>> On Mar 19, 2021, at 3:42 PM, Michael Knill >>> <michael.kn...@ipcsolutions.com.au> wrote: >>> >>> Hi Group >>> >>> Not sure if anyone else is experiencing this. I'm on 1.3.10 and all my >>> systems connect via Wireguard VPN to both my softswitches. >>> Its generally all pretty stable but occasionally one of the VPN’s will be >>> disconnected and I have tried everything I can think of to bring it back up >>> but only a reboot has managed to do so at this stage. >>> Any ideas? >>> >>> Regards >>> Michael Knill >>> _______________________________________________ >>> Astlinux-users mailing list >>> Astlinux-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/astlinux-users >>> >>> Donations to support AstLinux are graciously accepted via PayPal to >>> pay...@krisk.org. >> >> >> >> _______________________________________________ >> Astlinux-users mailing list >> Astlinux-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/astlinux-users >> >> Donations to support AstLinux are graciously accepted via PayPal to >> pay...@krisk.org. >> >> >> _______________________________________________ >> Astlinux-users mailing list >> Astlinux-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/astlinux-users >> >> Donations to support AstLinux are graciously accepted via PayPal to >> pay...@krisk.org. > > > > _______________________________________________ > Astlinux-users mailing list > Astlinux-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/astlinux-users > > Donations to support AstLinux are graciously accepted via PayPal to > pay...@krisk.org. > > > _______________________________________________ > Astlinux-users mailing list > Astlinux-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/astlinux-users > > Donations to support AstLinux are graciously accepted via PayPal to > pay...@krisk.org. _______________________________________________ Astlinux-users mailing list Astlinux-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/astlinux-users Donations to support AstLinux are graciously accepted via PayPal to pay...@krisk.org.
