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MPLS/BGP routing question

  • From: "Brijesh Kumar" <bkumar@ennovatenetworks.com>
  • Date: Thu, 28 Sep 2000 14:57:26 -0400
  • Cc: <mpls@UU.NET>
  • Importance: Normal


The claim that only edge routers need to run BGP/MPLS VPN software
is not true, as you have correctly pointed out. It's not appropriate
to consider the required Route Reflection as an edge router function.

Cheers,
--brijesh
Ennovate Networks Inc.

> -----Original Message-----
> From: owner-mpls@UU.NET [mailto:owner-mpls@UU.NET]On Behalf Of Chris
> Flores
> Interesting, then I have the following question. Let's say the
transit
> backbone consists of a 3 level hierarchy - core, distribution
> and access.
> BGP is configured such that the access (or edge) routers are
> route reflector
> clients of the distribution routers. Furthermore, the
> distribution routers
> are route reflector clients of the core routers. As Michel
> Redondo Ferrero
> has stated, MPLS VPNs originate and terminate on the access
> or edge of the
> network (in his scenario). Why would you turn off BGP on the
> core routers?
> What if MPLS breaks or fails for any reason (i.e. software
> bug). Then, how
> would routing occur?
>
> Regards.
>
> chris