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From: Marek Lindner <lindner_marek@yahoo.de>
Date: Fri, 27 Jan 2012 03:13:19 +0800
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Subject: Re: [B.A.T.M.A.N.] ap_isolation issue
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Hi,

>   We are trying to get OpenWRT with batman-adv 2011.4.0 to play nice using
> ap_isolation. However as soon as ap_isolation is turned on the meshed ap
> are not acessible anymore by our Linux firewall on which at least 1 ap
> node is physically connected. The following pastebin post shows the exact
> configuration and details:
> 
> 	http://pastebin.com/2bghWLkp

how is the Linux firewall connected to batman-adv-AP#1 ? Via eth0 ? 
Can you please also add the output of "batctl if" and "batctl sn" on all 
devices ?

What happens if you disable the bridge loop avoidance ? Does it have any 
effect ?

You are implying that disabling and then re-enabling the ap isolation also 
fixes the "ping problem" ? 

Regards,
Marek