Chapter 7. MPLS VPN

What You Will Learn

By the end of this chapter, you should know and be able to explain the following:

  • The definition of a VPN

  • The operation of MPLS VPN

  • What RDs and RTs are

  • The role of Multiprotocol BGP in MPLS VPN networks

  • The packet forwarding through the MPLS VPN network

  • The operation of PE-CE routing protocols and their specifics for MPLS VPNs

MPLS VPN, or MPLS Virtual Private Networks, is the most popular and widespread implementation of MPLS technology. Its popularity has grown exponentially since it was invented, and it is still growing steadily. Although most service providers have implemented it as a replacement for the Frame Relay and ATM services that were popular before it, MPLS VPN is now seeing a growing interest ...

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