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Configuration Guide - VPN 01

NE05E and NE08E V300R003C10SPC500

This is NE05E and NE08E V300R003C10SPC500 Configuration Guide - VPN
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Configuring LDP HVPLS

Configuring LDP HVPLS

Before configuring LDP HVPLS, familiarize yourself with the usage scenario, complete the pre-configuration tasks, and obtain the required data.

Usage Scenario

On a typical VPLS network, all PEs are fully meshed. In this case, when a PE is added to the network, certain PEs are re-designated and PWs increase exponentially. As a result, system resources are greatly consumed and system performance deteriorates, limiting VPLS networking deployment and applications.

The core of Hierarchical Virtual Private LAN Service (HVPLS) is to hierarchize the VPLS network. You can fully mesh SPEs to connect multiple HVPLS networks. In this manner, multiple isolated HVPLS networks are interconnected without requiring a large number of full-mesh PWs. This configuration improves the scalability, deployability, and flexibility of VPLS networks. In addition, broadcast packets are decreased because full-mesh connections are decreased, improving entire network performance.


The NE supports only LDP VPLS, and can only be the UPE device in the HVPLS network.

Figure 9-9 HVPLS network

Pre-configuration Tasks

Before configuring LDP HVPLS, complete the following tasks:

  • Configure LSR IDs and enable MPLS and MPLS LDP both globally and per interface on the UPE, SPEs, and Ps.

  • Enable MPLS L2VPN on the UPE and SPEs.

  • Set up tunnels between the UPE and an SPE and between SPEs for data transmission.


    Configure a remote LDP session if the UPE and SPE or SPEs are not directly connected.

Configuration Procedures

Perform one or more of the following configurations as required.

Updated: 2019-01-14

Document ID: EDOC1100058925

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