Date: Thu, 26 Oct 2000 08:04:57 -0600 (MDT) From: Nick Rogness <nick@rapidnet.com> To: Sven.Huster@t-online.de Cc: freebsd-net@freebsd.org, freebsd-isp@freebsd.org Subject: Re: high availability by routing? Message-ID: <Pine.BSF.4.21.0010260759590.60161-100000@rapidnet.com> In-Reply-To: <Pine.BSF.4.21.0010260749340.60161-100000@rapidnet.com>
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On Thu, 26 Oct 2000, Nick Rogness wrote: > On 26 Oct 2000 Sven.Huster@t-online.de wrote: > > > hi there, > > > > at the moment i have following setup: > > > > |isp| --- |my router| -- |switch| -- |loadbalancer| -- |web farm| > > > > i want to improve availability by adding a second loadbalancer and > > a second router + a second connection to my network provider to > > eliminate the single point of failure (i know about the single > > switch). > > > > so the setup then will be: > > > > | | -- |router 1| -- | | -- |loadbalancer 1| -- | | > > |isp| |switch| |web farm| > > | | -- |router 2| -- | | -- |loadbalancer 2| -- | | > > > > but > > 1. how is routing managed between isp and my routers? > > Work with them to run some type of routing protocol. It will > probably be an IRP (I'm assuming you don't have an AS #) > > > 2. what happends if one router fails or one isp connection is broken? > > It should switch over to the other. > > > 3. how does the loadbalancer recongnizes that one router fails? > > The load balancer doesn't. That's the routers job. Have 2 default gateways...or run some type of failover on the routers...like HSRP. If it is not a cisco router, then you will needs some type of High Availability software. You could also run routing daemons on your loadbalancer machines? Nick Rogness - Drive defensively. Buy a tank. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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