From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: pmtu discovery on sa esp
Date: Tue, 12 Jun 2007 14:34:44 +0200
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Cc: netdev@vger.kernel.org
To: Marco Berizzi <pupilla@hotmail.com>
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Marco Berizzi wrote:
> Hello everybody.
> I have just upgraded from 2.6.21.3 to
> 2.6.22-rc4 and I get a ton of
> pmtu discovery on sa esp/blablab/blabla
> messages (this box is running openswan).
> Is this an expected behaviour?


We have some MTU opimiztations in 2.6.22-rc that might be related.
Please check with tcpdump what exactly is happening and whether
the 2.6.22-rc box is sending too large packets.