[Olsr-dev] [Olsr-users] Configuring TC redundancy parameter?

Henning Rogge (spam-protected)
Mon May 6 08:33:35 CEST 2013

On 05/04/2013 12:46 AM, Saverio Proto wrote:
> Hello,
> i Cc: olsrd-dev mailing list
> Saverio
> 2013/5/3 chris - <(spam-protected)>:
>> Hello all,
>> I'm running olsrd v 0.6.1 on openwrt. I set TcRedundancy=0 in the
>> olsr.conf.base and got a message like: "Sorry, tc-redundancy 0/1 are not
>> working on 0.5.6. It was discovred late in the stable tree development and
>> cannot bes olved without a difficult change in the dijkstra code ... ". Then
>> olsrd exited. I notice that TcRedundancy=2 works. Also, if TcRedundancy is
>> unspecified, olsrd starts with no problem.

Yes, TCRedundancy's default is 2. That is the only combination that 
works in all cases in OLSRv1.

>> Has this been fixed in the latest version or are there plans to fix it?


It will be fixed in OLSRv2, but nobody has spent effort to do it in our 
OLSRv1 codebase.

>> Also, could someone point me to the relevant route calculation section of
>> the code of the code?

Its even more, to solve this in all cases you need
a) a link based (instead of neighbor based) 2-hop database
b) a well working MPR algorithm
c) some adaptions in the Dijkstra algorithm.

Not sure it is worth the effort.

Henning Rogge
Diplom-Informatiker Henning Rogge , Fraunhofer-Institut für
Kommunikation, Informationsverarbeitung und Ergonomie FKIE
Kommunikationssysteme (KOM)
Fraunhofer Straße 20, 53343 Wachtberg, Germany
Telefon +49 228 9435-961,   Fax +49 228 9435 685
mailto:(spam-protected) http://www.fkie.fraunhofer.de

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