From: Eric Dumazet <eric.dumazet@gmail.com>
To: Simeon Penev <spenev@istac.de>
Cc: netdev@vger.kernel.org
Subject: Re: Patch for MTU in the routing table cache
Date: Fri, 02 Mar 2012 05:43:11 -0800 [thread overview]
Message-ID: <1330695791.2469.17.camel@edumazet-laptop> (raw)
In-Reply-To: <4F50C789.8050709@istac.de>
Le vendredi 02 mars 2012 à 14:13 +0100, Simeon Penev a écrit :
> Hi,
>
> after testing the new 3.2 kernel and the new route caching code, i've
> found a bug in net/ipv4/route.c. The route cache does not detect changes
> to the MTU of the interface. Therefore IP fragmentation will happen with
> false MTU. Please see attached the proposed patch.
>
Hi
Did you test this patch doesnt break things like
ip ro add 96.17.148.89 via 10.0.0.1 mtu 800
(and keep eth0 mtu being standard mtu)
next prev parent reply other threads:[~2012-03-02 13:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-02 13:13 Patch for MTU in the routing table cache Simeon Penev
2012-03-02 13:43 ` Eric Dumazet [this message]
2012-03-02 13:49 ` Simeon Penev
2012-03-02 14:27 ` Eric Dumazet
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