First attempt at o11s on ath5k

[Holger Winkelmann]

Hi Javier,

I'm reading tue o11s List for a whole now. Re your point 'mesh  
authentication' I'm woundering is there any authentication defined in   
11s to decided a mesh node is allowed to join a mesh or not ?

Thanks for feedback,

--

Holger Winkelmann
Travelping GmbH
+49-171-5594745


On 18.03.2009, at 19:46, Javier Cardona <javier at cozybit.com> wrote:

> Hi Steve,
>
> 2009/3/18 Steve Glass <stevie.glass at gmail.com>:
>> (...)
>> Running wireshark it appears that  Mesh Peer Link actions go out  
>> with Mesh
>> Link Open repeated a few times and then several Mesh Peer Link  
>> actions go
>> out with Mesh Link Close. The reason code for the close is "Reason  
>> code:
>> Class 2 frame received from nonauthenticated station (0x0006)".  
>> Thus no
>> links are created and none reported for "iw dev mesh0 station dump"  
>> and I
>> cannot ping between stations.
>>
>> I see the Mesh Peer Link frames all originate at the same station.
>> (...)
>> Can anyone suggest a possible remedy?
>
> Not really a remedy, but maybe a starting point.  If you see Mesh Link
> Open frames it means that the sender has successfully discovered a
> mesh neighbor, i.e that the sender has seen a beacon from the receiver
> and is trying to establish a peer link.
> The reason code that you see is interpreted by wireshark as "Class 2
> frame received from nonauthenticated station" but that's because the
> mesh is re-using reason codes until ANA assigns new ones.  If you look
> in mesh_plink.c you'll see that 0x6 is for MESH_MAX_RETRIES.  This is
> triggered when the sender does not receive a response to several Mesh
> Link Open requests.
>
> So the sender seems to be behaving correctly, and all we know about
> the receiver is that it is sending beacons.
>
> That's not much, but hopefully it saves you from trying to debug mesh
> authentication (...there isn't one!).
>
> Cheers,
>
> Javier
>
> -- 
> Javier Cardona
> cozybit Inc.
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