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CLI-based Configuration Guide - VPN

AR650, AR1600, and AR6100 V300R003

This document describes VPN features on the device and provides configuration procedures and configuration examples.
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(Optional) Binding a GRE Tunnel to a BFD Session

(Optional) Binding a GRE Tunnel to a BFD Session

You can bind a GRE tunnel to a BFD session so that BFD can monitor the link status.


The configuration of binding a GRE tunnel to a BFD session provides a detection mechanism for the GRE tunnel by using BFD to monitor the link status. If the BFD session goes Down, the GRE tunnel also goes Down.

V300R003C10 and later versions support this function.


  1. Run:


    The system view is displayed.

  2. Run:

    interface tunnel interface-number

    The tunnel interface view is displayed.

  3. Run:

    gre track bfd-session session-name bfd-session-name

    The GRE tunnel is bound to a BFD session.

    Before running this command, ensure that a BFD session is created.

Updated: 2019-04-12

Document ID: EDOC1100041799

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