[c-nsp] Preferring OSPF over BGP

Mikael Abrahamsson swmike at swm.pp.se
Sat Aug 14 05:35:08 EDT 2010


On Sat, 14 Aug 2010, Grzegorz Janoszka wrote:

> It is just the same /24 route belonging to one internet exchange. Most 
> IX prefixes are forbidden to be announced, but this one is unfortunately 
> the exception :/

1. Filter IX prefixes inbound from peers.
2. Change the administrative distance per previous recommendations.

if you can't do these:

3. Don't inject the IX prefix in your IGP and run next-hop-self on your 
iBGP sessions.

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se


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