From owner-freebsd-net@FreeBSD.ORG Wed Sep 7 17:12:47 2005 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 72CB116A41F for ; Wed, 7 Sep 2005 17:12:47 +0000 (GMT) (envelope-from brdavis@odin.ac.hmc.edu) Received: from odin.ac.hmc.edu (Odin.AC.HMC.Edu [134.173.32.75]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2303043D45 for ; Wed, 7 Sep 2005 17:12:47 +0000 (GMT) (envelope-from brdavis@odin.ac.hmc.edu) Received: from odin.ac.hmc.edu (localhost.localdomain [127.0.0.1]) by odin.ac.hmc.edu (8.13.0/8.13.0) with ESMTP id j87HCieF009620; Wed, 7 Sep 2005 10:12:44 -0700 Received: (from brdavis@localhost) by odin.ac.hmc.edu (8.13.0/8.13.0/Submit) id j87HCiFu009619; Wed, 7 Sep 2005 10:12:44 -0700 Date: Wed, 7 Sep 2005 10:12:44 -0700 From: Brooks Davis To: micko Message-ID: <20050907171244.GD19958@odin.ac.hmc.edu> References: <20050907163533.GA6860@micko.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="d01dLTUuW90fS44H" Content-Disposition: inline In-Reply-To: <20050907163533.GA6860@micko.net> User-Agent: Mutt/1.4.1i X-Virus-Scanned: by amavisd-new X-Spam-Status: No, hits=0.0 required=8.0 tests=none autolearn=no version=2.63 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on odin.ac.hmc.edu Cc: freebsd-net@freebsd.org Subject: Re: dhcp problem X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Sep 2005 17:12:47 -0000 --d01dLTUuW90fS44H Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Sep 07, 2005 at 12:35:33PM -0400, micko wrote: > I am having trouble obtaining a dhcp address from a cable modem (comcast). > I tried using different NICs and even switch to openbsd to ruleout any > incompatibility issues, but no luck, as soon as I plug in the cheap links= ys > gw everything works peachy. I tried modifying the send/request/receive va= lues > for dhclient but that didn't change anything, bug plugging the device beh= ind > the linksys or on a network with isc-dhcpd it works ok. Anybody on the li= st > using comcast, or maybe can direct me to a right place? Attached is trace > from dhclient. Which version of FreeBSD are you running? Do the windows instructions from Comcats require that you set some sort of host name? If so you will need to so the same in your /etc/dhclient.conf. We've also had reports of ISPs that will only issue one active lease for a given connection and thus if you don't release the connection on one machine, another won't be able to obtain a lease. If that doesn't work. You need to obtain a tcpdump, possiably run through the net/dhcpdump port to see what's happening. Any output from dhclient would also be useful. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --d01dLTUuW90fS44H Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFDHx+LXY6L6fI4GtQRAkVWAKDWVkSPBJ/ufRsMdigbtgnoba31pQCgzq3N 9LHOtX/rQbWQPE6LaY0PcRU= =sVIR -----END PGP SIGNATURE----- --d01dLTUuW90fS44H--