Subject: Re: lamer mtu question.
To: Manuel Bouyer <firstname.lastname@example.org>
From: Herb Peyerl <email@example.com>
Date: 07/23/2001 00:42:14
Manuel Bouyer <firstname.lastname@example.org> wrote:
> > Initially I used an mtu of '296' and started seeing the problem. So I
> > bumped it down to 250 out of curiosity ...
> > Later I bumped the mtu up to '502' (some random number higher than 250)
> > and it all works fine.
> > So what am I missing? Shouldn't this all be independant of the mtu/mru?
> > Or is there some sysctl I'm missing?
> Maybe it's just that the other (ppp) end doesn't propely fragment big packets ?
The other end is a DMS-500 phone switch that I have no control of.
> Did you try to turn on path MTU discovery on both host ?
> sysctl -w net.inet.ip.mtudisc=1
you mean my jornada running pppd and the 20 hop away machine with
sshd? or you mean both ends of the ppp connection?
Either way, I didn't. no. I can try setting that on at least the