Date: Tue, 22 May 2001 22:04:13 -0700 (PDT) From: Tom Samplonius <tom@sdf.com> To: Sys Admin <admin@cb21.co.jp> Cc: freebsd-isp@freebsd.org Subject: Re: FreeBSD as Backup Router for a CISCO router Message-ID: <Pine.BSF.4.05.10105222200310.17104-100000@misery.sdf.com> In-Reply-To: <20010523071034V.admin@cb21.co.jp>
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On Wed, 23 May 2001, Sys Admin wrote: > We recently had some problems with the CISCO router serving 2 class C > networks. > > I am planning to setup a dedicated FreeBSD router as a backup to > cisco one and have some questions on how to do that. Any help, > pointers to information will be greatly appreciated. I have gone > through archives and searched the web. But couldn't find what I > needed. It is probably more important to know what interfaces the router has, and what kind of router it is. > 1. Is it possible to have FreeBSD router work in parallel with cisco > router ? What I would like to have the FreeBSD router up and running > in case cisco router fails without manual intervention as I am staying > far away from the network. (using routed) Not likely. Automatic takeover of a gateway IP and MAC by a standby router is possible. But Cisco uses propietary HSRP for that, while FreeBSD has support for VRRP. > 2. What is the better solution for a backup router ? Natd or routed ? Apples and oragees. routed doesn't do routing, it routing protocol daemon for RIPv1 and RIPv2. natd does network address translation. You don't need routed if you don't need RIP. You don't natd if you don't need NAT. > 3. Can a dedicated FreeBSD router replace a cisco router for medium traffic > site ? (as a low priced alternative) Depends on the router it is replacing. Depends on the traffic levels. What kind of router is it? And what is the maximum Mbps and pps that is must be able to handle? Tom To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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