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NE40E V800R010C00 Configuration Guide - MPLS 01

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Enabling TE Auto FRR

Enabling TE Auto FRR

MPLS TE Auto FRR must be enabled on the ingress or a transit node of a primary tunnel before MPLS TE Auto FRR is configured.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    mpls

    The MPLS view is displayed.

  3. Run:

    mpls te auto-frr [ self-adapting ]

    MPLS TE Auto FRR is enabled globally.

    To enable an automatic bypass tunnel to dynamically select node or link protection based on network conditions, configure self-adapting.

  4. Run:

    quit

    The system view is displayed again.

  5. Run:

    interface interface-type interface-number

    The view of the outbound interface of the primary tunnel is displayed.

  6. (Optional) Run:

    mpls te auto-frr { block | default | link | node | self-adapting }

    TE Auto FRR is enabled on the interface.

    By default, all MPLS TE-enabled interfaces support TE Auto FRR after MPLS TE Auto FRR is enabled globally. To disable TE Auto FRR on interfaces, run the mpls te auto-frr block command on these interfaces. The mpls te auto-frr block command disables TE Auto FRR on interfaces, even if TE Auto FRR is enabled or re-enabled globally.

    To enable an automatic bypass tunnel bound to the current tunnel to dynamically select node or link protection based on network conditions, configure self-adapting.

    NOTE:
    • If the mpls te auto-frr default command is configured in the interface view, the Auto FRR capability on the interface is consistent with the global Auto FRR capability.

    • After node protection is enabled, if an automatic bypass tunnel cannot be established due to none available links, the penultimate hop (not other hops) on the primary tunnel attempts to establish an automatic bypass tunnel to implement link protection.

    • If the mpls te auto-frr node command without self-adapting configured is run, and the requirement for node protection is not met, the penultimate hop (but not other hops) on the primary tunnel attempts to set up an automatic bypass tunnel for link protection.

  7. Run:

    commit

    The configuration is committed.

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Updated: 2018-07-12

Document ID: EDOC1100028530

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