Re: [B.A.T.M.A.N.] lost connection to a client / Q: transglobal-table

Antonio Quartulli
2013-11-01T12:36:10Z

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Hello Bastian,

On Fri, Nov 01, 2013 at 08:55:58AM +0100, Bastian Bittorf wrote:
> in my small office-network we have _often_ the situation,
> that my laptop 8-) has no internet. if this happens, i can
> connect via ssh hop by hop and can see, that the network
> itself (wireless/wired) is working, but the 'routes' are wrong.
>
> here the transglobal-table in the master, my laptop is '00:21:6a:32:7c:1c'

what is master?

[..]

> the interesting thing is, that my laptop seems to be reachable via
> *:02:22 and *:00:13 - the 2nd entry has no hash (?), but 'batctl t 00:21:6a:32:7c:1c'
> outputs *:00:13 as originator. from the topology, it is impossible to be
> near this node, so no roaming can happen AND i can see on my laptop,
> that there was no roaming. the situation recovers without interaction after some
> minutes. the transglobal table does not change, but 'batctl t 00:21:6a:32:7c:1c'
> outputs the correct *:02:22
>

Here[1] you have an explanation about the translation table output.

My guess is that you have more than one node connected to the same LAN and BLA2
is properly enabled but some kind of L3 tricks on top of batman-adv is creating
confusion in the network. I'd suggest to read (if you have not done it yet) [2].

[1] http://www.open-mesh.org/projects/batman-adv/wiki/Understand-your-batman-adv-network#translation-tables
[2] http://www.open-mesh.org/projects/batman-adv/wiki/Bridge-loop-avoidance-II

Cheers,

--
Antonio Quartulli

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