Sven Eckelmann wrote: [...]
Now we would have to fragment the fragmented packet again... which is ugly. But to be honest, bat0 in a mesh which supports fragmented unicast packets is hardcoded to 1500.
This was expressed wrong. The min_mtu of all participating interfaces (which is used as maximum mtu allowed by bat0) is hardcoded to 1500.
Best regards, Sven