[c-nsp] advertising a route not in IGP

[Oliver Boehmer (oboehmer)]

Jeff,

> I interchange BGP with vendors off the vendor switches.
> 
> The internal IGP has a bunch of routes. The vendor mesh has a ip eigrp
> summary on its interfaces towards the internal mesh that aggregates
the
> whole into a /16 (10.200.0.0/16).
> 
> One vendor I need to connect to, I need to advertise a specific /24
> (10.200.16.0/24) to the eBGP neighbor. OF course BGP won't advertise
the
> route to the eBGP neighbor because the /24 isn't in IGP, only the /16
> summary.

you should be able to use the "bgp inject-map" feature/command to
achieve this, check out "BGP Conditional Route Injection" feature
description at
http://www.cisco.com/en/US/docs/ios/12_2t/12_2t4/feature/guide/ftbgpri.h
tml

	oli