Linux 3.9 routing oddity

Gert Doering gert at
Wed Jul 3 09:22:58 CEST 2013


On Tue, Jul 02, 2013 at 11:26:18PM +0200, Pierre Emeriaud wrote:
> 2013/7/2 Jeroen Massar <jeroen at>:
> >
> > You might also want to try this out with something that is not a tun/tap
> > interface, thus a default ethernet interface, as tun/tap might have all
> > kinds of odd behavior, eg no or hacked neighbor discovery
> Just tried with a route on eth0 while the default was on wlan0: the
> exact same thing. The route is only active after the neighbor is added
> to the cache (permanently or not).

This indeed sounds weird - it should trigger a ND lookup instead, and only
if that fails it could consider "not use that route".  But it really should
at least try, as Jeroen said.

Gert Doering
        -- NetMaster
have you enabled IPv6 on something today...?

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