From owner-freebsd-questions@FreeBSD.ORG Tue Mar 30 11:43:37 2004 Return-Path: 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 0134216A4CE for ; Tue, 30 Mar 2004 11:43:37 -0800 (PST) Received: from ganymede.hub.org (u46n208.hfx.eastlink.ca [24.222.46.208]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8999C43D1F for ; Tue, 30 Mar 2004 11:43:36 -0800 (PST) (envelope-from scrappy@hub.org) Received: by ganymede.hub.org (Postfix, from userid 1000) id 05FEB35863; Tue, 30 Mar 2004 15:43:35 -0400 (AST) Received: from localhost (localhost [127.0.0.1]) by ganymede.hub.org (Postfix) with ESMTP id F103A3580B; Tue, 30 Mar 2004 15:43:35 -0400 (AST) Date: Tue, 30 Mar 2004 15:43:35 -0400 (AST) From: "Marc G. Fournier" To: Rick Duvall In-Reply-To: <010801c4168d$f595ede0$f901a8c0@ws21> Message-ID: <20040330154244.R1005@ganymede.hub.org> References: <00f801c4168b$05aebf20$f901a8c0@ws21> <20040330192619.GA6498@ergo.nruns.com> <010801c4168d$f595ede0$f901a8c0@ws21> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: jan.muenther@nruns.com cc: freebsd-questions@freebsd.org Subject: Re: BGP On Host X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Mar 2004 19:43:37 -0000 sounds like you are describing a load balancing switch ... two seperate boxes behind the switch, with a single "public" IP in front that sends a heartbeat to the boxes behind it ... On Tue, 30 Mar 2004, Rick Duvall wrote: > I wasn't sure if it was BGP or if it was something else. Definetly between > routers would be using BGP. But, I heard at an apache conference somebody > was doing something where the machine would send a keepalive to the directly > connected Cisco router, and if the router didn't receive the keepalive > signal, BGP would re-route the traffic to the other host. Both hosts are on > different ISP, but have the same IP address. Traffic is routed from the > requester to the closest logical server. I think UltraDNS does this with > their DNS servers as well. > > Anyway, I don't know what the host uses to send the keepalive to the Cisco > router, or even how to configure the BGP to make it work. I was wondering > if somebody on the list has set up the same configuration on a couple of > fault tolerant FreeBSD boxes. > > Sincerely, > > Rick Duvall > ----- Original Message ----- > From: > To: "Rick Duvall" > Cc: > Sent: Tuesday, March 30, 2004 11:26 AM > Subject: Re: BGP On Host > > > > > (mirrored). If both hosts are up, the traffic is routed to the closes > > > server to the person making the request. Otherwise, if one server is > down, > > > traffic is automatically re-routed to the other box. > > > > That is not what BGP is made for. It's an exterior routing protocol for > > routes between AS. > > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email: scrappy@hub.org Yahoo!: yscrappy ICQ: 7615664