Subject: Re: IPv6 autoconfiguration and MTU
To: None <tech-net@netbsd.org>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: tech-net
Date: 09/19/2004 14:19:05
On Sun, Sep 19, 2004 at 10:18:34AM +0200, Richard Braun wrote:
> Hello,
> 
> I noticed that NetBSD 1.6 doesn't care about the MTU value present in
> Router Advertisments packets. Is this a bug or an unimplemented option ?
> This would really be useful for natvie PPPoE links in order to lower the
> MSS value, since MSS clamping isn't available in IPv6.

From what I remember, it worked for me (I'm running 2.0 now and it
definitively works).
But I have
net.inet6.tcp6.mss_ifmtu=1
in /etc/sysctl.conf, maybe this is what made it work (I don't remmeber).

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--