There is no obvious problems for 2 netif for lwIP.

In my environment: one is LAN, another is PPP device.

On Mon, Jun 25, 2012 at 3:55 PM, Simon Goldschmidt <[email protected]> wrote:

> Fred39 wrote:
> > Ok i found the problem, both netifs had similar ip configuration "same
> > subnet" which was the problem thus the packets where send to the first
> netif
> > in the list :)
> >
> > Is this behaviour specified somewhere ?
>
> Yes, this is intended behaviour specified in IPv4 routing. I don't
> remember the RFC, though, but simple IPv4 routing is based on destination
> address only, not on source address. As such, if you have 2 netifs on the
> same subnet, the simple routing algorithm will always send packets to the
> first match, which is what you observed.
>
> Simon
> --
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