[Olsr-users] A thank you and a question

Henning Rogge (spam-protected)
Fri Apr 3 12:24:44 CEST 2009

Am Friday 03 April 2009 12:17:23 schrieb Alex Masidlover:
> Hi,
> We've just done a reasonably successful install of an OLSRd based
> meshing network with a mix of wired and 5GHz wireless links ( 20
> Access Points and 2 cabled links - running on 15 low power Debian
> Lenny based OLSRd routing nodes). So thank you to everyone involved in
> the project. We did all of the node installations using a script we
> wrote to create the node configurations from an XML description of the
> desired network layout and in due course we will open-source this
> script.
> In principle all the nodes should be identical apart from which
> sub-net they serve, which IP(s) they are on and how many network
> interfaces they have - we have one node however which will simply not
> behave in a reliable manner. Sometimes it will acquire routes to all
> the other nodes and their sub-nets without problem, however at other
> times it will only route to its close neighbours (2 of them). All of
> the other nodes on the network show (correct) routes to the 'faulty'
> node and its sub-net and if I manually add a return route to the
> routing table of the faulty node then two way traffic can be sent
> between the nodes.
> I'm using HTTP info plugin to monitor each node, but apart from the
> links and neighbours simply being missing from the 'faulty' node
> nothing else is obviously wrong i.e. the links that are present show a
> link cost of 1.000 and the neighbour present only shows 1 2-hop
> neighbour in its list.
> Unfortunately its not even consistent, it took several unpluggings and
> re-pluggings of cables to get it to recognise the whole network when
> first installed, has run for a week and has now gone to showing only 2
> neighbours. It also intermittently shows 1 further neighbor! - I've
> tried restarting olsrd and rebooting the box (desperation set in...)
> and for the moment I've had to leave it with the most important route
> (to the DNS server) added statically to the routing table.
> Does anyone have any suggestions as to how I go about diagnosing the
> problem further?
What version of OLSRd you are using ?


Diplom Informatiker Henning Rogge
Forschungsgesellschaft für
Angewandte Naturwissenschaften e. V. (FGAN) 
Neuenahrer Str. 20, 53343 Wachtberg, Germany
Tel.: 0049 (0)228 9435-961
Fax: 0049 (0)228 9435-685
E-Mail: (spam-protected)
Web: www.fgan.de
Sitz der Gesellschaft: Bonn
Registergericht: Amtsgericht Bonn VR 2530
Vorstand: Prof. Dr. rer. nat. Maurus Tacke (komm. Vors.), Prof. Dr.-Ing. 
Joachim Ender (Stellv.)

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