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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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Enabling the TE FRR and Configuring the Auto Bypass Tunnel Attributes

Enabling the TE FRR and Configuring the Auto Bypass Tunnel Attributes

Context

After TE Auto FRR is enabled, the system automatically sets up a bypass tunnel.

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 primary tunnel is displayed.

  3. Run:

    mpls te fast-reroute [ bandwidth ]

    The TE FRR is enabled.

    To guarantee the tunnel bandwidth, you must specify the parameter bandwidth.

  4. (Optional) Run:

    mpls te bypass-attributes [ bandwidth bandwidth ] [ priority setup-priority [ hold-priority ] ]

    The attributes of the bypass tunnel are configured.

    NOTE:
    • The bypass tunnel attributes can be configured only after the mpls te fast-reroute bandwidth command is run on the primary tunnel.

    • The bandwidth of the bypass tunnel cannot be greater than the bandwidth of the primary tunnel.
    • When the attributes of the automatic bypass tunnel are not configured, by default, the bandwidth of the automatic bypass tunnel is the same as the bandwidth of the primary tunnel.
    • The setup priority of the bypass tunnel cannot be higher than the holding priority. Both priorities cannot be higher than the priority of the primary tunnel.
    • When the bandwidth of the primary tunnel is changed or the FRR is disabled, the attributes of the bypass tunnel are cleared automatically.

  5. Run:

    mpls te commit

    The current configuration of the tunnel is committed.

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Updated: 2019-04-18

Document ID: EDOC1000141902

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