IGPs in use

Tue Oct 13 22:12:39 UTC 1998

amb at gxn.net (Alex Bligh) writes:

> > 	1) If you put your backbone connected interfaces (loopbacks
> > serials, etc.. in your IGP [isis, ospf, whatever])
> > 	2) Have a full iBGP mesh doing next-hop-self of the loopback
> > interface
> > 	3) Redistribute statics and connected into your iBGP routing table
> > (with route-map, or appropriate filters as necessary that vary by vendor)
> 
> No argument with the principles here but why do you need to redistribute
> connected interfaces into your IGP *and* into iBGP? Overkill, surely?

In fact, you not only don't need to do so, you want to avoid doing so.
This simply pollutes BGP and you'll need to remove it later at the domain
border where you're aggregating anyhow.

Tony