From owner-freebsd-questions@FreeBSD.ORG Sat Nov 11 04:38:39 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 02B0416A412 for ; Sat, 11 Nov 2006 04:38:39 +0000 (UTC) (envelope-from freebsd@dfwlp.com) Received: from zeus.dfwlp.com (zeus.dfwlp.com [208.11.134.127]) by mx1.FreeBSD.org (Postfix) with ESMTP id 98FFA43D58 for ; Sat, 11 Nov 2006 04:38:38 +0000 (GMT) (envelope-from freebsd@dfwlp.com) Received: from athena.dfwlp.com (athena.dfwlp.com [192.168.125.83]) (authenticated bits=0) by zeus.dfwlp.com (8.13.6/8.13.6) with ESMTP id kAB4cZ73045660 for ; Fri, 10 Nov 2006 22:38:36 -0600 (CST) (envelope-from freebsd@dfwlp.com) From: Jonathan Horne To: freebsd-questions@freebsd.org Date: Fri, 10 Nov 2006 22:38:34 -0600 User-Agent: KMail/1.9.4 References: <720B687A-66B6-497A-9F16-9D01B7B1441A@lafn.org> <200611102134.14061.freebsd@dfwlp.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200611102238.34968.freebsd@dfwlp.com> X-Spam-Status: No, score=-1.4 required=3.6 tests=ALL_TRUSTED autolearn=ham version=3.1.7 X-Spam-Checker-Version: SpamAssassin 3.1.7 (2006-10-05) on zeus.dfwlp.com Subject: Re: Network Setup Question X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Nov 2006 04:38:39 -0000 On Friday 10 November 2006 21:56, Doug Hardie wrote: > On Nov 10, 2006, at 19:34, Jonathan Horne wrote: > > On Friday 10 November 2006 19:17, Doug Hardie wrote: > >> I have a bit of an unusual network setup situation. I have a machine > >> that is only used to store backups. It gets moved around to > >> different locations occasionally so it has to be able to live on a > >> 192.168.1.x or a 10.0.1.x network without reconfiguration. I also > >> need a fixed last address byte so I can connect to it remotely. I > >> initially set it up with DHCP and then used an alias for the .250 > >> address on both networks. That worked, but caused problems for the > >> local network in one location. The particular user couldn't > >> understand why sometimes his computer got different IP addresses. So > >> I tried to establish the 192.168.1.250 as the primary address and > >> added an alias of 10.0.1.250. That works in both environments > >> except that there is no default route. Is there a way to negotiate > >> just a default route via DHCP and not an IP address? or is there a > >> way to set the default route based on which IP address is in use? > >> Thanks. > >> _______________________________________________ > > > > dhclient.conf can get pretty granular as to exactly what you want > > from your > > DHCP server. myself, i use it to get everything, but to ignore the > > domain > > search mine tries to provide. > > > > man dhclient.conf and you will see tons of options (and some really > > good > > examples too). > > There are lots of options all right, but I couldn't find anything > that would cause it not to negotiate the IP address. All of the > other options are configurable. > _______________________________________________ i was thinking more along the lines, that you would pre-set your 2 ip addresses, and let the dhclient file request only default gateway. or... might it not be simpler, to configure a static DHCP lease for the box at each site, thus guaranteeing that it always has the .250? in the end, thats probably the "best mileage" way to go. jonathan