[lwip-devel] [bug #46506] nd6_new_router() should check if router exists in router list first

[Simon Goldschmidt]

Follow-up Comment #3, bug #46506 (project lwip):

> I must admit I don't really know all the problems that could/would/will
arise from 
> having 2 netifs in the same subnet

For lwIP, the problem is that all traffic which is not sent explicitly to an
interface (e.g. via udp_sendto_if()) is sent to the first interface in the
list that matches the network. Source-based routing (i.e. send all packets
from an interface's IP via the corresponding interface) is only supported by
you implementing the correct hook.

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