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Configuration Guide - MPLS

S7700 and S9700 V200R011C10

This document describes MPLS configurations supported by the switch, including the principle and configuration procedures of static LSPs, MPLS LDP, MPLS TE, MPLS QoS, MPLS OAM, Seamless MPLS, and MPLS common features, and provides configuration examples.
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Configuring Synchronization Between LDP and IGP

Configuring Synchronization Between LDP and IGP

Synchronization between LDP and IGP applies to MPLS networks where primary and backup LSPs exist. LSPs are established between LSRs based on IGP. When the LDP session on the primary LSP fails (not due to a link failure) or the faulty primary LSP is restored, you can enable synchronization between LDP and IGP to prevent traffic interruption caused by the active/standby switchover.

Pre-configuration Tasks

Before configuring synchronization between LDP and IGP, configure a local LDP session. For details, see Configuring Basic Functions of MPLS LDP.

Configuration Procedure

Enabling synchronization between LDP and IGP is mandatory and other tasks are optional.

Updated: 2019-10-18

Document ID: EDOC1000178315

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