From: Djerk Geurts (djerk@djerk.nl)
Date: Thu Aug 02 2007 - 12:03:17 ART
Scott,
This is very easy. Most common is to import and export communities into a
vrf, one already does this within a VRF when using MBGP. Just add another
community to the route you want to import into another vrf and import this
community there.
Take care as VRF's are DIY routing tables and routing loops are easy as are
bulk exports/imports of routes you do not want to. Think of addressing
conflicts and blackholing traffic.
ip vrf CCIElab-BB1
description *** CCIE lab - pod 12 - vlan_bb1 .253 ***
rd 65031:301253
All you'd have to add here is to import and export communities. Sorry I
haven't got an example at hand here, the above is from my 7500 which I use
to simulate many BB routers for the various labs I do. As they're only local
VRF configs no imports and exports are required from an MBGP database.
Djerk
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> Behalf Of Scott Smith
> Sent: donderdag 2 augustus 2007 16:28
> To: groupstudy
> Subject: MPLS VPN Question
>
> Forgive my complete lack of MPLS knowledge :-)
>
> Is it possible to allow inter-vpn communication?
>
> Example 1: VPN_A needs access to a single address in VPN_B.
>
> Example 2: VPN_A and VPN_B need access to a single address in VPN_C.
>
> If this can be done could someone give me a clue as what
> config I'm looking for?
>
> Thanks!
>
> --
> Scott
> CCIE #17040 (R&S)
>
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