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Configuration Guide - MPLS

S7700 and S9700 V200R010C00

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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(Optional) Configuring a TE FRR Scanning Timer

(Optional) Configuring a TE FRR Scanning Timer

Context

A TE FRR-enabled device periodically refreshes the binding between a bypass CR-LSP and a primary LSP at a specified interval. The PLR searches for the optimal TE bypass CR-LSP and binds it to a primary CR-LSP. A TE FRR scanning timer is set to determine the interval at which the binding between a bypass CR-LSP and a primary CR-LSP is refreshed.

Perform the following configurations on the PLR.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    mpls

    The MPLS view is displayed.

  3. Run:

    mpls te timer fast-reroute [ weight ]

    Set the interval at which the binding between a bypass CR-LSP and a primary CR-LSP is refreshed.

    By default, the time weight used to calculate the interval is 300. And the actual interval at which the binding between a bypass CR-LSP and a primary LSP is refreshed depends on device performance and the maximum number of LSPs that can be established on the device.

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Updated: 2019-04-18

Document ID: EDOC1000141902

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