[quagga-users 10133] Re: configuring iBGP

Arnoild Nipper arnold at nipper.de
Tue Nov 11 23:17:15 GMT 2008

On 11.11.2008 16:28 Dennis Gerasimov wrote

> Hello fellow Quaggers!
> I am trying to figure out how to configure iBGP between two quagga 
> routers. The network diagram is very simple:

You already got some hints. Here is one more: Ideally you make the iBGP
independent from any particular interface by using a loopback address as
source of all BGP updates.

Advantage: as long as one interface is up which leads to internal
connectivity to the other router(s) your iBGP session(s) will stay up.

Disadvantage: you may need an IGP (either static or dynamic like OSPF or
IS-IS or ...)

Google for "iBGP loopback" to get config examples.

Arnold Nipper / nIPper consulting, Sandhausen, Germany
email: arnold at nipper.de       phone: +49 6224 9259 299
mobile: +49 172 2650958         fax: +49 6224 9259 333

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