On Mon, 19 Aug 1996, Jon Zeeff wrote:
Not only is it reality, it is, from the customers point of view, a good idea.
There is a solution to the customer who wants to be dual-homed to two providers and not contribute to the "routers can't handle the tables" problem. Just don't announce your more specifics to your backup provider unless you know your primary is down. Some type of automated script can do it.
Has any of this been WELL documented somewhere so that when a customer is asking about multihoming we can point them to a website where they can learn the right way to do multihoming?
Michael Dillon - ISP & Internet Consulting Memra Software Inc. - Fax: +1-604-546-3049 http://www.memra.com - E-mail: michael@memra.com
Some of it is at http://www.netaxs.com/~freedman/multi.html. I'll see about making it better and simpler - and will add some simple configs that are somewhat bit more idiot-proof. And it has to be clear that if: a) Your providers will configure their networks to only announce you if your line is up (+/- any damping), and b) You believe that a load-balanced defaul route with 'ip route-cache' on will do good data delivery out from your network That BGP does not need to be involved at all for the multi-homed. Avi