Subject: Re: MSS doesn't honour route MTU
To: Thor Lancelot Simon <tls@rek.tjls.com>
From: Quentin Garnier <cube@cubidou.net>
List: tech-net
Date: 06/08/2006 23:51:28
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On Thu, Jun 08, 2006 at 02:58:29PM -0400, Thor Lancelot Simon wrote:
> On Thu, Jun 08, 2006 at 08:11:26PM +0200, Quentin Garnier wrote:
> > On Thu, Jun 08, 2006 at 09:07:32PM +0300, Mihai CHELARU wrote:
> > [...]
> > > Shouldn't it announce MSS 1160 (ROUTE_MTU - 40, as RFC879 says) inste=
ad of=20
> > > 1460(probably IF_MTU - 40), honouring the route MTU I've just added ?
> >=20
> > Not unless you set net.inet.tcp.mss_ifmtu to 1.
>=20
> That seems wrong (both "wrong" as in "not what the code does" and "wrong"
> as in "not what the code should do").

Yes on both accounts.  I guess crack dealers don't deliver as good stuff
as they used to...

--=20
Quentin Garnier - cube@cubidou.net - cube@NetBSD.org
"When I find the controls, I'll go where I like, I'll know where I want
to be, but maybe for now I'll stay right here on a silent sea."
KT Tunstall, Silent Sea, Eye to the Telescope, 2004.

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