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Configuration Guide - VPN

CloudEngine 12800 and 12800E V200R005C10

This document describes the configurations of VPN, including GRE, BGP/MPLS IP VPN, BGP/MPLS IPv6 VPN, VLL, PWE3, and VPLS.
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Relationship Between PWE3 and L2VPN

Relationship Between PWE3 and L2VPN

PWE3 is a set of point-to-point (P2P) Layer 2 Virtual Private Network (L2VPN) technologies. Martini L2VPN is only one of the PWE3 technologies. PWE3 uses some Martini L2VPN techniques, including Label Distribution Protocol (LDP) signaling and encapsulation modes. In addition, PWE3 extends the Martini L2VPN.

PWE3 is extended Martini and has the same signaling process as Martini.

PWE3 advertises the PW status using LDP signaling Notification messages. A PW is torn down only when PW configurations are deleted or the LDP session is interrupted. PWE3 reduces control packets exchanged between provider edges (PEs) and signaling costs. LDP signaling used by PWE3 is compatible with common LDP and Martini.

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Updated: 2019-04-03

Document ID: EDOC1100075353

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