Subject: Re: Cable Modem and Firewall/IPNAT
To: Steve Bell <irix@mindspring.com>
From: Paul Dokas <dokas@cs.umn.edu>
List: port-i386
Date: 08/05/2002 15:03:11
On Mon, 05 Aug 2002 11:55:55 -0400, Steve Bell <irix@mindspring.com> wrote:
> 
> Just looking for more information if possible. I am running into some 
> problems with my cable modem, it's not picking up an IP from my service 
> provider via DHCP. I have tried both empty/non exsiting and configured 
> dhcp.conf files, but after running dhclient ex0  I get six attempts, and 
> a final message saying that no DHCPOFFERS were received.  Any general 
> tips about getting the modem to drop it's current lease, and actively 
> look for a new one?

I had exactly this same problem with an AT&T cablemodem after they "upgraded"
their network.  The problem turned out to be that they had put the DHCP
server over *20* hops away from me.

See bin/17338 for details and how I got around the problem.

Paul
-- 
Paul Dokas                                            dokas@cs.umn.edu
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Don Juan Matus:  "an enigma wrapped in mystery wrapped in a tortilla."