From: David Madore <david+ml@madore.org>
To: "Yan, Zheng " <yanzheng@21cn.com>
Cc: Linux Netdev Mailing-List <netdev@vger.kernel.org>
Subject: Re: possible routing table cache bug for mtu/advmss attributes in Linux 3.0.4
Date: Fri, 9 Sep 2011 23:28:15 +0200 [thread overview]
Message-ID: <20110909212815.GA5651@aldebaran.gro-tsen.net> (raw)
In-Reply-To: <CAAM7YA=t=s5EEVFte84oqWaKfqyoNhX_NsE5xWUKJ53u-+Es=g@mail.gmail.com>
On Thu, Sep 08, 2011 at 10:42:20PM +0800, Yan, Zheng wrote:
> On Fri, Sep 2, 2011 at 5:46 AM, David Madore <david+ml@madore.org> wrote:
> > In a nutshell, the problem is this: my (manually entered) routing
> > tables specify an explicit MTU/MSS for certain IPv6 routes, and after
> > upgrading from 2.6.38.7 to 3.0.4, I found that this MTU/MSS setting is
> > sometimes ignored. More precisely, it seems that connecting to a host
> > through the route in question causes a routing cache entry to be
> > created, and it is when this cache entry expires that the route
> > forgets the MTU/MSS setting. (It may also be relevant that in my case
> > the route belongs to a routing table other than "main".)
>
> Would you please try patch http://marc.info/?l=linux-netdev&m=131529445904858
Indeed, this appears to solve the problem I encountered. Thanks!
--
David A. Madore
( http://www.madore.org/~david/ )
prev parent reply other threads:[~2011-09-09 21:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-01 21:46 possible routing table cache bug for mtu/advmss attributes in Linux 3.0.4 David Madore
2011-09-08 14:42 ` Yan, Zheng
2011-09-09 21:28 ` David Madore [this message]
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