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NE40E V800R010C00 Configuration Guide - MPLS 01

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Configuring the RSVP Hello Extension

Configuring the RSVP Hello Extension

The RSVP Hello extension rapidly monitors the connectivity of RSVP neighbors.


  1. Run:


    The system view is displayed.

  2. Run:


    The MPLS view is displayed.

  3. Run:

    mpls rsvp-te hello

    The RSVP Hello extension is enabled on the local node.

  4. Run:

    mpls rsvp-te hello-lost times

    The maximum number of Hello messages that can be discarded is set.

  5. Run:

    mpls rsvp-te timer hello interval

    The interval at which Hello messages are refreshed is set.


    If the refresh interval is changed, the modification takes effect after the existing refresh timer expires.

    The interval must be longer than the time a device takes to perform a master/slave main control board switchover. If the interval is set to less than the switchover time, a protocol intermittent interruption occurs during a switchover. The default timer value is recommended.

  6. Run:


    The system view is displayed.

  7. Run:

    interface interface-type interface-number

    The view of an RSVP-enabled interface is displayed.

  8. Run:

    mpls rsvp-te hello

    The RSVP Hello extension is enabled on an interface.

    The RSVP Hello extension rapidly detects the reachability of RSVP neighbors. For details, see relevant standards.

  9. Run:


    The configurations are committed.

Updated: 2018-07-12

Document ID: EDOC1100028530

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