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Date:      Tue, 16 Feb 2016 02:16:19 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-net@FreeBSD.org
Subject:   [Bug 207087] kernel: r295285 in 10.2-STABLE breaks OpenVPN functionality
Message-ID:  <bug-207087-2472-rVrBO5o2rn@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-207087-2472@https.bugs.freebsd.org/bugzilla/>
References:  <bug-207087-2472@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D207087

--- Comment #34 from g_amanakis@yahoo.com ---
The only hypothesis I have is that when fragmentation is needed for an outg=
oing
packet (I have no idea why) and the client sending this packet is behind NA=
T,
the gateway cannot see the real IP of the client in order to send him the
ICMP-fragmentation-required because the icmp_error() occurs after the outgo=
ing
packet has gone through the pfil hooks (and ipfw).

Can someone watching this report reproduce the symptoms using IPFW+NAT?

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