[lwip-devel] [bug #35927] missing refragmentaion in ip_forward

[Simon Goldschmidt]

Follow-up Comment #9, bug #35927 (project lwip):

> I'm suggesting outgoing destination unreachable if we are unable 
> to fragment, or if DF is set (IPH_OFFSET(iphdr) & IP_DF). Or at 
> least respect DF and silently drop in this last case.

I have checked DF and sent destination unreachable with code 4 (fragmentation
needed but DF set) but I'm not sure what to do if IP_FRAG is disabled. I've
just silently dropped the frame in this case.

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