Chapter 5.  Packet-Based MPLS VPNs

This chapter covers the following topics:

  • MPLS VPN Operation—. MPLS Virtual Private Networks can be built over existing Layer 2 infrastructures. This section details the various MPLS VPN building blocks and the interaction between the various MPLS elements. This section also explains VPN route target communities, distribution of VPN routing information, and MPLS forwarding. The various packet-based MPLS LSR commands used to build VPN networks are explained. These commands are later exemplified in the case study section.

  • Verifying VPN Operation—. Packet-based MPLS VPN operation can be verified using various IOS commands on the LSRs. This section illustrates the use of these commands in order to verify proper VPN ...

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