From owner-freebsd-isp@FreeBSD.ORG Mon Sep 1 02:27:10 2003 Return-Path: Delivered-To: freebsd-isp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6317016A4BF for ; Mon, 1 Sep 2003 02:27:10 -0700 (PDT) Received: from exchange.wan.no (exchange.wan.no [80.86.128.88]) by mx1.FreeBSD.org (Postfix) with ESMTP id 20F5343FBD for ; Mon, 1 Sep 2003 02:27:09 -0700 (PDT) (envelope-from sten.daniel.sorsdal@wan.no) X-MimeOLE: Produced By Microsoft Exchange V6.0.6249.0 content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Date: Mon, 1 Sep 2003 11:24:33 +0200 Message-ID: <0AF1BBDF1218F14E9B4CCE414744E70F07DF30@exchange.wanglobal.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Multi-Homed Routing Thread-Index: AcNupYot8D3RmK0JRcuOg56KNhXNgQBxQTWA From: =?iso-8859-1?Q?Sten_Daniel_S=F8rsdal?= To: "Kenneth Kabagambe" , "Thomas Dwyer" , Subject: RE: Multi-Homed Routing X-BeenThere: freebsd-isp@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Internet Services Providers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Sep 2003 09:27:10 -0000 [.snip.] >=20 > this solution would work if you had alot of extra cash=20 > stashed away, just=20 > waiting to be used, which i dont think is the case here. yes=20 > bgp is the=20 > accepted solution but is way too expensive to implement. >=20 Aye >=20 > > However. > >=20 > > You could achieve almost the same effect by using a script to > > check if both gateways are up and if one goes down it automatically=20 > > changes the default route to the working ISP. > > Then automatically adjust your DNS pointers to the new ip=20 > address(es). >=20 > kudos to the venerable ping. Kudos! >=20 > >=20 > > Your public ip address(es) will change, and hence some people wont=20 > > be able to reach your site until their DNS's are updated. Some=20 > > people have caching DNS's that wont expire a record for a long time=20 > > to not generate alot of traffic and wont reach your site at all. > >=20 >=20 > Stan, Cant someone use dyndns? wouldnt it be easier to use? Sten :) Dyndns is one of many similar solutions, of course someone could use = dyndns. I do believe that dyndns has the same "flaw" i describe above, but that = is a local dns management issue. So yes.