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Date:      Fri, 30 Aug 2024 21:12:30 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 276838] ovpn(4) - problems with large TCP segments over IPv6 tunnel when DCO module is used at both ends
Message-ID:  <bug-276838-7501-rAF3gdwWTx@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-276838-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-276838-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D276838

Marek Zarychta <zarychtam@plan-b.pwste.edu.pl> changed:

           What    |Removed                     |Added
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           See Also|                            |https://bugs.freebsd.org/bu
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800
                   |                            |36

--- Comment #6 from Marek Zarychta <zarychtam@plan-b.pwste.edu.pl> ---
In bug 280036 the reporter complains about apparent data corruption which I=
 can
easily reproduce.=20
Clearly, the FreeBSD implementation of OpenVPN --mssfix is broken in case
ovpn(4) is deployed at both ends. Setting "tun-mtu 1400" on the OpenVPN ser=
ver
works as a workaround.

--=20
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