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Date: Sun, 16 Nov 2014 07:51:23 +0100
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Subject: Re: [B.A.T.M.A.N.] Current OpenWrt build
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To: The list for a Better Approach To Mobile Ad-hoc Networking <b.a.t.m.a.n@lists.open-mesh.org>

On Wed, Nov 12, 2014 at 07:47:10AM -0500, Jay Brussels wrote:
> Antonio,
> 
> I am planning to start programming Ubiquiti and TP-Link Routers in two weeks for a very large BATMAN mesh deployment.
> 
> Although many patches I have seen on this list involves multicast traffic I have seen some others.  
> 
> Is the current OpenWrt release stable enough for deployment or are there some "must have" patches requiring a build from scratch for a successful deployment?

Regarding Barrier-Breaker: The default settings in OpenWRT with
bridges are unfortunately broken (in that breakes multicast, which
means broken IPv6):

https://lists.openwrt.org/pipermail/openwrt-devel/2014-September/027859.html
https://lists.openwrt.org/pipermail/openwrt-devel/2014-September/027876.html

(the first one is my "favourite", a typical OpenWRT feature patch:
awesome idea, good intention, but being applied to the repo without any
peer-reviewing and broken; instead of going through upstream first...)


You'll probably want to disable the multicast-to-unicast feature
or even the bridge snooping as a whole for now.

Cheers, Linus