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NE40E V800R010C00 Configuration Guide - MPLS 01

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Configuring a Local LDP Session

Configuring a Local LDP Session

An MPLS LDP session can be configured only after LSR IDs are configured and MPLS LDP is enabled on both ends of the MPLS LDP session.

Usage Scenario

An LDP session is established over a TCP connection. After the TCP connection is set up, LSRs negotiate parameters of the LDP session. If the negotiation is successful, an LDP session can be established.

After the local LDP session is established, LSRs assign labels to establish an LDP LSP.

When LDP LSPs carry Layer 2 Virtual Private Network (L2VPN) and Layer 3 Virtual Private Network (L3VPN) services, you can specify an LSR ID for each local LDP session on the current LSR to isolate VPN services.

Pre-configuration Tasks

Before configuring a local LDP session, configure static routes or an IGP to ensure that IP routes between LSRs are reachable.

Configuration Procedures

Figure 4-2  Local LDP session configuration
Updated: 2018-07-12

Document ID: EDOC1100028530

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