Subject: Re: kern/17117: NetBSD's MSS clamping code is insufficient
To: Matthias Scheler <tron@netbsd.org>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: netbsd-bugs
Date: 06/01/2002 14:43:16
On Fri, May 31, 2002 at 02:52:11PM +0200, Matthias Scheler wrote:
> My network connectivity looks like this:
>
> Internet
> |
> DSL line PPP over Ethernet, MTU 1492
> |
> Gateway NetBSD 1.6_BETA1 using pppoe(4) and ipl(4)
> |
> LAN Ethernet, MTU 1500
> |
> Workstation NetBSD 1.6A
>
> The workstation has serious network connectivity problems after I switched
> from the "rp-pppoe" package to pppoe(4). I'm not sure if all of the problems
> listed below existed from the beginning but they do now:
>
> 1.) FTP connects to "ftp.netbsd.org" and other servers got stuck during the
> initial login messages. This is *not* about problems with active FTP
> connections I couldn't even log in.
>
> 2.) SSH connections with big amount of incoming traffic get stuck, too.
> If I e.g. use "scp ftp.netbsd.org:/usr/bin/vi ." on the work station
> it gets stuck when the actual transfer begins. So it is really *not*
> a problem related to the FTP proxy.
Can you try the following on your station:
net.inet.tcp.rfc1323=0
(not a real fix, of course)
--
Manuel Bouyer <bouyer@antioche.eu.org>
--