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From: =?UTF-8?Q?Martin_Hundeb=c3=b8ll?= <martin@hundeboll.net>
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Date: Wed, 4 Nov 2015 12:21:20 +0100
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Subject: Re: [B.A.T.M.A.N.] Fwd: MTU problem
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To: Antonio Abejaro <aabejaro@gmail.com>
Cc: b.a.t.m.a.n@lists.open-mesh.org

Hi Antonio,

Please direct your mails to the batman mailing list:
b.a.t.m.a.n@lists.open-mesh.org

This way, others can help you too.

On 2015-11-04 12:15, Antonio Abejaro wrote:
> I have just configured the value of 1532 for MTU in /etc/config/network
> as suggested but when I reboot my node I obtain the following dmesg:
>
> batman_adv: bat0: The MTU of interface adhoc0 is too small (1500) to
> handle the transport of batman-adv packets. Packets going over this
> interface will be fragmented on layer2 which could impact the
> performance. Setting the MTU to 1532 would solve the problem.

What version of b.a.t.m.a.n. are you using? We had an issue in earlier 
version, where the suggested value was too small...

// Martin