[nsp] Enquiry on MPLS across Public Network

[Harold Ritter]

John,

At 09:05 PM 1/27/2004 -0800, John Pang wrote:
>Hi all,
>
>I am an ultra newbie on MPLS and currently reading up
>some Cisco docs on it.
>
>I amd wondering if it is possible to do an MPLS VPN or
>MPLS Traffic Engineering Tunnel across a Public
>Network (such as the Internet) to join one or more
>remote sites together instead of other technologies
>such as GRE?
>
> >From the docs which I read, it seems that for any form
>of MPLS to work, the provider (P) routers need to be
>configured to support MPLS but in the case of the
>Internet being the public network, it may not
>necessarily have MPLS enabled on the various ISPs
>routers.

It is possible to run MPLS over a non-MPLS enabled network such as the 
Internet but it requires using GRE to carry MPLS frames.


>Have anyone tried this before and or can anyone help
>shed light on this?
>
>Many thanks for your time and best regards,
>
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Harold Ritter, CCIE 4168 (R&S / SP)
Advanced Services - SP East
Cisco Systems
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Boxborough, MA 01719 USA
Phone: 978 936 1431
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