Best Practice: 2routers, 2isp, 1AS

Beavis pfunix at gmail.com
Wed Apr 7 00:14:51 CDT 2010


Greetings!

   Want to ask out anybody on the list about a "best practice" of the
setup below:

- 2 ISP's (A & B)
- 2 Routers (A & B)

I want Router-A for ISP-A, Router-B for ISP-B and have Router-A &
Router-B talk and be able to pass routes on each side in an event of a
physical failure on one of the Routers.

I was planning at first to setup a multi-home BGP, but I want to have
physical redundancy as well.

ASCII-diag

=--[RouterA]--isp1(bgp)
L    |
A   iBGP
N    |
=--[RouterB]--isp2(bgp)

Any recommendation would awesomely appreciated.

-B


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