[isp-bgp] Re: Best way to filter normal BGP with MPLS-BGP neigbhor ?

["Eric" <eric@...>]

address-family ipv4
no neighbor x.x.x.x activate

that way you won't send 'normal' routes
--
Eric Loos
Principal Network & Systems Architect

ion-ip n.v.
www.ionip.com
T +32 (0)2 400 31 41
F +32 (0)2 400 31 11
eric.loos@...
Louizalaan/Avenue Louise 331-333, B-1050 Brussels, Belgium
----- Original Message ----- 
From: "Nathan" <paranoia@...>
To: <isp-bgp@isp-bgp.com>
Sent: Wednesday, April 21, 2004 7:56 PM
Subject: [isp-bgp] Best way to filter normal BGP with MPLS-BGP neigbhor ?


> Hi,
>
> How do you configure a Cisco to send only MP-BGP routes to a set
> of neighbors?
>
> I have a Cisco network running MPLS. Today the only two BGP
> speakers exchange full internet routes and the internal MPLS
> routes. I didn't find it hard to enable only "normal" BGP
> towards my external neighbors, and everything towards the
> internal neigbor, just a matter of only specifying the internal
> peer-group in the vpnv4 section.
>
> Now I want to add two more internal routers that should just
> receive the MP-BGP routes and not the internet routes, for the
> obvious reasons (the new ones have no need for internet routes
> and don't have the horsepower for them anyway).
>
> I'd like to set it up so that I have three peer-groups, one for
> eBGP, one for non-MPLS iBGP, and one for MP-BGP, with double
> IP addresses and corresponding update-source for the two big
> routers who exchange both kinds of routes.
>
> But what is the recommended way to avoid sending out the
> internet routes to the internal MPLS-only neighbors ? I've been
> toying with route-maps and things like that, but the "just turn
> it off" method eludes me.
>
> Thank you for any help!
>
>




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