From owner-freebsd-mobile  Wed Sep 12 23:43:42 2001
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Date: Thu, 13 Sep 2001 08:43:20 +0200 (CEST)
From: Christophe <xtof@olympe.dnsalias.com>
To: Mikko Tyolajarvi <mikko@dynas.se>
Cc: <xtof@olympe.dnsalias.com>, <mobile@freebsd.org>
Subject: Re: ADSL, PPPoE and Xircom CEM56
In-Reply-To: <200109121856.f8CIuMf55093@explorer.rsa.com>
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Hi,

what i mean when i say 'it hangs' is:
the FreeBSD box hangs (and not the internet
connexion), and i have to power cycle it.

I read the documentation you have sent to me
and i will give (good i hope) news.

Christophe

On Wed, 12 Sep 2001, Mikko Tyolajarvi wrote:

> In local.freebsd.mobile you write:
>
> >i have the following configuration
>
> >- FreeBSD 4.3
> >- Toshiba Satellite 320CDT
> >- Xircom CEM56 ethernet adapter
> >- ADSL connection through PPP with
> >the PPPoE protocol
> >- this box also acts as a router for the
> >local network
>
> >when the box is connected to the Internet,
> >sometimes it hangs, and since few days i know
> >how to reproduce:
>
> >ping -s 1464 InternetIP : OK
> >ping -s 1465 InternetIP : HANGS
>
> >it seems that when the box receives too 'big'
> >packets it hangs.
>
> Yes, it is a problem with PPPoE (silly protocol...), broken routers
> and packet sizes.
>
> Upgrade to a newer version of ppp, which contains workarounds for this
> problem.  I believe <http://www.freebsd.org/~brian/> contains both
> binaries and sources you should be able to use.
>
> In <http://www.daemonnews.org/200101/pppoe.html>, section 6.3 you can
> find an explanation of what is happening.
>
>   $.02,
>   /Mikko
> --
>  Mikko Ty=F6l=E4j=E4rvi_______________________________________mikko@rsase=
curity.com
>  RSA Security
>


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