From owner-freebsd-isp Thu Nov 14 16:53:44 2002 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 4B59037B401 for ; Thu, 14 Nov 2002 16:53:43 -0800 (PST) Received: from spooky.eis.net.au (spooky.eis.net.au [203.12.171.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1D0D543E3B for ; Thu, 14 Nov 2002 16:53:31 -0800 (PST) (envelope-from ernie@spooky.eis.net.au) Received: from spooky.eis.net.au (localhost [127.0.0.1]) by spooky.eis.net.au (8.12.6/8.12.5) with ESMTP id gAF0rOIQ045350; Fri, 15 Nov 2002 10:53:24 +1000 (EST) (envelope-from ernie@spooky.eis.net.au) Received: (from ernie@localhost) by spooky.eis.net.au (8.12.6/8.12.3/Submit) id gAF0rNwZ045349; Fri, 15 Nov 2002 10:53:23 +1000 (EST) From: Ernie Elu Message-Id: <200211150053.gAF0rNwZ045349@spooky.eis.net.au> Subject: Re: Load balancing two unrelated links To: perisa@porsche.de (Marc Perisa) Date: Fri, 15 Nov 2002 10:53:23 +1000 (EST) Cc: freebsd-isp@freebsd.org In-Reply-To: <3DD3E448.2090607@porsche.de> from "Marc Perisa" at Nov 14, 2002 06:58:32 PM X-Mailer: ELM [version 2.5 PL3] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org > > Ernie Elu wrote: > > I have a situation where there are two links running from one site to > > another, one link is an ADSL 2MB service and the other is a 2MB Frame relay, > > there is a FreeBSD box at each end that is connected to both services > > routers by ethernet, and static routes with no load balancing whatsoever. > > What's the most practical way to balance and share these links so it behaves > > as close as possible to a single 4MB service. > > > > - Ernie. > > Hi Ernie, > > are the FreeBSD boxes in the two locations connected like this? > > > --- router a/1 -> ADSL > / > beastie1 > \ > --- router b/1 -> Frame Relay > > > And in the other location vice versa? > > Then you should install gated (or similar) and enable OSPF on the > FreeBSD machines over the two links. Dynamic routing is the only thing > which can help you. > > Perhaps you would like to install a second FreeBSD box in each location > and connect the second box with _both_ routers. Because if a single box > fail the other could take over (if the rest of the network is designed > for that). > > Hope that helps > > Marc > They are not quite like that but they can be made to look so with a few static routes. Both have zebra and vtund installed, I looked at using bgp but I felt it was not really an interior protocol, your suggestion of looking at OSPF makes sense from a relaibility point of view, I was not sure it would help aggregate the speeds, but I am happy to give it a try and do some tests. Thanks for the suggestion. - Ernie. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message