From owner-freebsd-questions@FreeBSD.ORG  Wed Mar 31 17:12:12 2010
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Date: Wed, 31 Mar 2010 19:12:07 +0200
From: Patrick Lamaiziere <patfbsd@davenulle.org>
To: Alejandro Imass <ait@p2ee.org>
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Cc: freebsd-questions@freebsd.org
Subject: Re: u3g network problem
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Le Wed, 31 Mar 2010 08:18:26 -0400,
Alejandro Imass <ait@p2ee.org> a écrit :

> On Tue, Mar 30, 2010 at 5:27 PM, Patrick Lamaiziere
> <patfbsd@davenulle.org> wrote:

> > I've got some troubles with a 3G connection. I don't know which
> > things I should check to debug this:
> >
> > I use ppp to connect and it works fine. But after a while (not a
> > long time), I don't have any reply to DNS requests, as far I can
> > see with wireshark...
> >
> 
> What are you using to dial to your 3g network? (I use wvdial, and
> love it)

I use ppp (wvdial does not seem ported to FreeBSD, is it a Linux only
program?)

> I've seen this happen on my 3g network as well. It seems that the ISP
> randomly updates the DNS to a broken one. So write down the DNSs when
> it's actually working (cat /etc/resolv.conf) and make yourself a
> little script that updates them back to the working DNSs here is mine
> for example (adjust to your working DNSs):

I don't think that is the problem, I've already tried this (use
opendns).

Thanks for the idea however. Regards.