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Cell Relay Retreat>MPLS WG Archive>month:2001-Apr> msg00255



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ATM-LSR do they use OSPF/IS-IS or PNNI??

  • From: Robert Raszuk <raszuk@cisco.com>
  • Date: Wed, 18 Apr 2001 01:19:43 -0700
  • CC: mpls-ops@mplsrc.com, mpls@UU.NET
  • Organization: Signature: http://www.employees.org/~raszuk/sig/


> an ATM switch to an ATM-LSR it will use PNNI instead of a IGP for IP.

No way :).

R.

> MPLS wrote:
> 
> Hello all,
> 
> I have some questions becasue something is verry strange to me.
> I just assumed that ATM-LSRS used an IP routing protocol (IGP) just for
> finding the topology of the network.
> 
> But last i read an doccument and there they described that When you change
> an ATM switch to an ATM-LSR it will use PNNI instead of a IGP for IP. Can
> anyone make this clear for me??
> 
> Thanks a lot.
> 
> Greetings,
> 
> Niels Sitters.
> 
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