Bgp Mpls Vpns; Introduction - Cisco ASR 5000 Administration Manual
Staros release 21.1
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Also See for ASR 5000:
- Installation manual (294 pages) ,
- Administration manual (159 pages) ,
- Installation procedure (8 pages)
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BGP MPLS VPNs
This chapter describes services that are supported by the ASR 5x00 for Border Gateway Protocol (BGP)
Multi-Protocol Label Switching (MPLS) Virtual Private Networks (VPNs).
Important
It includes the following topics:
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Introduction
Service providers require the ability to support a large number of corporate Access Point Names (APNs)
which have a number of different addressing models and requirements. The ASR 5x00 uses BGP MPLS Layer
3 VPNs to segregate corporate customer APNs in a highly scalable manner. This solution conforms to RFC
4364 – BGP/MPLS IP Virtual Private Networks (VPNs).
The BGP/MPLS solution supports the following scenarios:
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The ASR 5x00 also supports VPNv6 as described in RFC 4659 – BGP-MPLS IP Virtual Private Network
(VPN) Extension for IPv6 VPN. See
MPLS is a licensed Cisco feature that requires a separate license. Contact your Cisco account representative
for detailed information on specific licensing requirements. For information on installing and verifying
licenses, refer to the Managing License Keys section of Software Management Operations.
Introduction, page 289
MPLS-CE Connected to PE, page 290
ASR 5x00 as a PE, page 291
IPv6 Support for BGP MPLS VPNs, page 293
VPN-Related CLI Commands , page 296
MPLS-CE Connected to PE, on page 290
ASR 5x00 as a PE, on page 291
C H A P T E R
IPv6 Support for BGP MPLS VPNs, on page 293
ASR 5000 System Administration Guide, StarOS Release 21.1
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for details.
289
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Troubleshooting
