Alex Masidlover | 3 Apr 2009 12:28

Re: A thank you and a question


Quoting Henning Rogge <rogge <at> fgan.de>:

> 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
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Henning Rogge | 3 Apr 2009 12:36
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Re: A thank you and a question

Am Friday 03 April 2009 12:28:29 schrieb Alex Masidlover:
> > What version of OLSRd you are using ?
>
> Version: olsr.org - 0.5.6-rc7 (built on 2008-07-12 17:23:53 on
> matrix.athome)
I would suggest to move to 0.5.6-r4.

Henning

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Alex Masidlover | 3 Apr 2009 13:06

Re: A thank you and a question

> Am Friday 03 April 2009 12:28:29 schrieb Alex Masidlover:
>> > What version of OLSRd you are using ?
>>
>> Version: olsr.org - 0.5.6-rc7 (built on 2008-07-12 17:23:53 on
>> matrix.athome)
> I would suggest to move to 0.5.6-r4.

The latest .deb on the site is 0.5.6-r3 - would that be adequate to  
get to the bottom of the issue and I assume I'm going to have to  
install on all nodes and restart them all?

Thanks,

Alex

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Henning Rogge | 3 Apr 2009 13:16
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Re: A thank you and a question

Am Friday 03 April 2009 13:06:18 schrieb Alex Masidlover:
> > Am Friday 03 April 2009 12:28:29 schrieb Alex Masidlover:
> >> > What version of OLSRd you are using ?
> >>
> >> Version: olsr.org - 0.5.6-rc7 (built on 2008-07-12 17:23:53 on
> >> matrix.athome)
> >
> > I would suggest to move to 0.5.6-r4.
>
> The latest .deb on the site is 0.5.6-r3 - would that be adequate to
> get to the bottom of the issue and I assume I'm going to have to
> install on all nodes and restart them all?
Hmm... 0.5.6-r3 is better than the release candidate, but 0.5.6-r4 again 
contains a number of important bugfixes (especially for kernel routing in 
linux).

Maybe you can try it with 0.5.6-r3 and if it does not work we have to see 
where we get a 0.5.6-r4 olsrd debian package (at the moment this package is 
created by the debian maintainer I think, not by olsr.org. But we can change 
this...)

Henning

*************************************************
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
(Continue reading)

Alex Masidlover | 5 Apr 2009 21:26

Re: A thank you and a question

>> >> > What version of OLSRd you are using ?
>> >>
>> >> Version: olsr.org - 0.5.6-rc7 (built on 2008-07-12 17:23:53 on
>> >> matrix.athome)
>> >
>> > I would suggest to move to 0.5.6-r4.
>>
>> The latest .deb on the site is 0.5.6-r3 - would that be adequate to
>> get to the bottom of the issue and I assume I'm going to have to
>> install on all nodes and restart them all?
> Hmm... 0.5.6-r3 is better than the release candidate, but 0.5.6-r4 again
> contains a number of important bugfixes (especially for kernel routing in
> linux).
>
> Maybe you can try it with 0.5.6-r3 and if it does not work we have to see
> where we get a 0.5.6-r4 olsrd debian package (at the moment this package is
> created by the debian maintainer I think, not by olsr.org. But we can change
> this...)

I've now reinstalled every node on the network and that seems to have  
cured the problem (at least for the moment) so thanks for the guidance!

Alex

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