From: Stefano Brivio
Date: Tue, 4 Aug 2020 07:53:41 +0200
> Currently, PMTU discovery for UDP tunnels only works if packets are
> routed to the encapsulating interfaces, not bridged.
>
> This results from the fact that we generally don't have valid routes
> to the senders we can use to relay IC
Currently, PMTU discovery for UDP tunnels only works if packets are
routed to the encapsulating interfaces, not bridged.
This results from the fact that we generally don't have valid routes
to the senders we can use to relay ICMP and ICMPv6 errors, and makes
PMTU discovery completely non-functiona
