On 17.11.2025 14:10 Uhr Kenneth wrote: > Im just trying to configure my network, which is with multople > routers running OpenWRT 24.10.3. > I use B.A.T.M.A.N. on this, so the MTU is set to 1468, and the > routers do send RAs, but my devices running Debian 13.x does not seem > to change their MTU to 1468.
For IPv6, path MTU discovery is mandatory. Unless you disable sending ICMP messages or block them using a firewall, it will work fine. Use tracepath to test it. -- kind regards Marco Send spam to [email protected]
