[c-nsp] MP-BGP, ORF with VPNv4
Kaliraj
kalirajv at gmail.com
Mon May 21 10:00:03 EDT 2007
Hello,
Afaik, IOS doesnt support RFC-4684 (rt-constrain) yet. I'd like to
know which IOS vesion supports it if you know that it does.
Denis, RFC4684 is actually different from Extended-communities based
ORF. It is about reducing VPN-route-exchange-traffic by building a
optimal vpn-route-distribution-graph based on the VPN-membership of
various PEs.
Kaliraj
On 5/18/07, Jeff Tantsura <jeff.tantsura at sscplus.nl> wrote:
> Hi,
>
> Yes it does.
> You can also configure an inbound route-filter on your RR and then by using
> bgp rr-group command download it through ORF to your PE's as an outbound
> filter.
>
> Hope this helps,
> Jeff
>
> > -----Original Message-----
> > From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> > bounces at puck.nether.net] On Behalf Of Denis V. Schapov
> > Sent: dinsdag 15 mei 2007 14:21
> > To: cisco-nsp at puck.nether.net
> > Subject: [c-nsp] MP-BGP, ORF with VPNv4
> >
> > Hi.
> >
> > Does Cisco IOS support automatic ORF based on extended-community attribute
> > (route target)
> > for MP-BGP/VPNv4 IP sessions/prefixes between PE routers and Route
> > Reflectors in MPLS VPN
> > environment ?
> > I mean RFC 4364, RFC 4684 cooperative route filtering, when PE/RRs don't
> > send UPDATES for
> > VPNv4 prefixes to PEs which have no VPN/VRF associated with some route-
> > targets.
> > Could you point to documentation or white paper ?
> >
> > Thank you.
> >
> >
> >
> > ----
> > Denis V. Schapov
> > JSC "DSI"
> > Irkutsk, Russia
> > dschapov at dsi.ru
> > +7 3952 510506
> >
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