Does it work ok if you turn on next-hop-self from the route-reflector? are
the routes that it can not get to directly connected or is it all other
routes?
Lucas Benning
Ex-IT Consulting
Mobile: 0415 868 650
Email: lucas@midnite.net.au
Snail: Suite 233, 16 Cotham Rd, Kew 3101
----- Original Message -----
From: "Elijah Kagan" <elijah@netvision.net.il>
To: <cisco-nsp@puck.nether.net>
Sent: Sunday, June 17, 2001 6:23 PM
Subject: [nsp] A question regarding BGP next-hop reachability.
>
> Suppose there is a router (a Cisco router, of course) that learns nothing
> but a default gateway from its IGP. It also has an iBGP session with its
> default router and receives the full Internet routing table. The default
> router acts as a route-reflector.
>
> Now here is the problem. The next-hop of every BGP prefix it learns is
> reachable via IGP's default gateway, but for some reason it is not good
> enough, BGP marks it as inaccessible and disregards the prefix.
>
> This situation could appear in L1 router that learns a prefix originating
> form a different IS-IS area.
>
> Please advise....
>
> -- elijah
>
>
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