On Tue, 22 Feb 2022 00:57:10 +0500 Roman Mamedov <r...@romanrm.net> wrote:
> On Mon, 21 Feb 2022 22:16:22 +0300 > Michael Tokarev <m...@tls.msk.ru> wrote: > > > 21.02.2022 22:11, Michael Adams wrote: > > > Throwing in my two cents: I was using MTU 1280 on Tinc a few years back, > > > for IPv6 VPN support on Windows & Linux. It's good practice. > > > > Lemme guess. The OP is routing wg packets over IPv6? Can this be > > the problem here, because V6 has larger overhead so that 1420 is > > too large to fit into 1500 bytes together with IPv6 header? > > 1420 is picked specifically so that it fits into a 1500 byte packet with IPv6. > > If you run WG exclusively over IPv4, you can use up to 1432. Correction: 1440. https://www.mail-archive.com/wireguard@lists.zx2c4.com/msg01856.html I'm just used to subtracting 8 everywhere, because my ISP *does* use PPPoE. :) -- With respect, Roman