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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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(Optional) Changing the PSB and RSB Timeout Multiplier

(Optional) Changing the PSB and RSB Timeout Multiplier


To help allow TE FRR to operate during the RSVP GR process, the timeout multiplier of the Path State Block (PSB) and Reservation State Block (RSB) can be set. The setting prevents the situation where information in PSBs and RSBs is dropped due to a timeout before the GR processes are complete for a large number of CR-LSPs.

Perform the following configurations on the PLR.


  1. Run system-view

    The system view is displayed.

  2. Run mpls

    The MPLS view is displayed.

  3. Run mpls rsvp-te keep-multiplier keep-multiplier-number

    The PSB and RSB timeout multiplier is set.

    The default timeout multiplier is 3.


    Setting the timeout multiplier to 5 or greater is recommended for a network where a large number of CR-LSPs are established and RSVP GR is configured.

Updated: 2019-10-18

Document ID: EDOC1000178315

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