netdev - Re: regression: ip r change mss doesn't work in 2.6.38-git14

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Message-ID: <1300980118.3747.42.camel@edumazet-laptop>
Date:	Thu, 24 Mar 2011 16:21:58 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Alessandro Suardi <alessandro.suardi@...il.com>
Cc:	linux-kernel@...r.kernel.org, netdev <netdev@...r.kernel.org>
Subject: Re: regression: ip r change mss doesn't work in 2.6.38-git14

Le jeudi 24 mars 2011 à 16:08 +0100, Alessandro Suardi a écrit :
> After fixing the display issue thanks to Chris Wilson, I now have
> another problem
>  (which didn't exist in 2.6.38-git2); most websites outside of my DSL link don't
>  work properly (connection packet goes through, but the page load times out
>  within Firefox) unless I do
> 
> ip r change default via 192.168.1.1 dev eth1 advmss 1400
> 
> This however doesn't change advmss anymore:
> 
> [root@...f ~]# ip r
> default via 192.168.1.1 dev eth1
> 169.254.0.0/16 dev eth1  scope link  metric 1004
> 192.168.1.0/24 dev eth1  proto kernel  scope link  src 192.168.1.8
> [root@...f ~]# ip r change default via 192.168.1.1 dev eth1 advmss 1400
> [root@...f ~]# ip r
> default via 192.168.1.1 dev eth1
> 169.254.0.0/16 dev eth1  scope link  metric 1004
> 192.168.1.0/24 dev eth1  proto kernel  scope link  src 192.168.1.8

Indeed, we'll take a look, thanks for the report.

In the time being you can do :

ip ro change default via 192.168.1.1 dev eth1 advmss 1400 mtu 1500


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