[Olsr-users] problem with asymmetric link

[Henning Rogge]

On Fri, Jul 11, 2008 at 17:55, Klaus Darilion
<(spam-protected)> wrote:
> Hi!
>
> I want to simulate an ad-hoc net in my LAN. Therefore I have set up 3
> VWware linux boxes on my PC with olsrd 0.5.6-rc7 and did some tests.
> Now I start olsrd on all 3 boxes. I would think that A should find a
> route to C via B, and C should find a route to A directly. But this is
> not the case.
> A only finds links between A and B, and from B to C.
> B finds links between A and B, and B and C.
> C finds links between A and B, and B and C.
>
> Why does C not find the link from C to A?
> Why does A not find the link from C to A?
> Why does A not find the link from C to B?
>
> Is this the intended behavior? Below is the debug output.
OLSR only use symmetric links for routing.

It would be bad to send unicast traffic over asymmetric links because
802.11 use an acknowledgement signal for unicast traffic, which would
not reach the receiver...

Henning

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