VPWS and BGP/MPLS VPNs Overview

BGP multiprotocol extensions (MP-BGP) enable BGP to support IPv4 services such as BGP/MPLS VPNs, which are sometimes known as RFC 2547bis VPNs. A VPWS L2VPN is actually a BGP-MPLS application that has much in common with BGP/MPLS VPNs.

The procedures for configuring BGP signaling for BGP/MPLS VPNs and for VPWS L2VPNs are similar except that for VPWS L2VPNs you must configure both of the following address families:

BGP can exchange information in an L2VPN topology within these address families.

For information about configuring BGP/MPLS VPNs, see Configuring BGP-MPLS Applications. For information about configuring BGP routing, see Configuring BGP Routing.

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