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Configuration Guide - MPLS

S7700 and S9700 V200R013C00

This document describes the configurations of MPLS, including Static LSP, MPLS LDP, MPLS QoS, MPLS TE, MPLS OAM, Seamless MPLS.
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Configuring Association Between TE FRR and CR-LSP Backup

Configuring Association Between TE FRR and CR-LSP Backup

After the primary CR-LSP is faulty, the system starts the TE FRR bypass tunnel and tries to restore the primary CR-LSP the same time it sets up a backup CR-LSP.

Pre-configuration Tasks

Before configuring association between TE FRR and CR-LSP backup, complete the following tasks:

Context

Association between TE FRR and CR-LSP backup protects the entire CR-LSP.

Perform the following configurations on the ingress node of the primary MPLS TE tunnel.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface tunnel interface-number

    The tunnel interface view of the MPLS TE tunnel is displayed.

  3. Run mpls te backup frr-in-use

    When the primary CR-LSP is faulty (that is, the primary CR-LSP is in FRR-in-use state), the system starts the bypass CR-LSP and tries to restore the primary CR-LSP. At the same time, the system attempts to set up a backup CR-LSP.

  4. Run mpls te commit

    The tunnel configurations are committed.

Verifying the Configuration

Run the display mpls te tunnel-interface [ tunnel interface-number | auto-bypass-tunnel [ tunnel-name ] ] command to view information about the tunnel.

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Updated: 2019-04-08

Document ID: EDOC1100065745

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