[Olsr-users] problem with asymmetric link
Mon Jul 14 13:22:44 CEST 2008
Henning Rogge schrieb:
> On Fri, Jul 11, 2008 at 17:55, Klaus Darilion
> <(spam-protected)> wrote:
>> 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.
Thenks for your answer. This explains the first two questions. But why
does A not find the link from C to B?
> 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...
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