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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 VPLS

Configuring LDP VPLS

Based on MPLS and Ethernet technologies, VPLS is an L2VPN technology that is used to implement point-to-multipoint VPN networking. VPLS is better than both the earlier point-to-point L2VPN services and Layer 3 Virtual Private Network (L3VPN) services requiring carriers to manage the routing information.

Usage Scenario

On the network shown in Figure 9-4, if PEs support the usage of LDP as VPLS signaling, you can configure LDP VPLS.

PEs are fully meshed using PWs and use split horizon to prevent loops in packet forwarding. A PE forwards packets, including unicast packets, unknown unicast packets, multicast packets, and broadcast packets, received from a PW to only the connected CE rather than to other PEs.

All the PEs need to set up LDP sessions with each other for signaling negotiation of PWs. Packets from CEs are sent to the VPLS network through AC interfaces on PEs.

Figure 9-4 VPLS network

Pre-configuration Tasks

Before configuring LDP VPLS, complete the following tasks:

  • Configure interface IP addresses of PEs and Ps and configure IGP routes.

  • Configure LSR IDs, enable MPLS and MPLS LDP, and establish LDP sessions.

  • (Optional) Set up remote MPLS LDP sessions if PEs are not directly connected.

  • Enable MPLS L2VPN on PEs.

  • Establish tunnels between PEs for data transmission.

Configuration Procedures

Figure 9-5 Flowchart for configuring LDP VPLS

Updated: 2019-01-14

Document ID: EDOC1100058925

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