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CLI-based Configuration Guide - Reliability

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document provides guidance for configuring reliability services, including interface backup, BFD, VRRP, and EFM.
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Configuring an Interface Monitoring Group

Configuring an Interface Monitoring Group

Context

In a dual-system backup scenario, an interface monitoring group can be configured to associate the network-side interface status with the access-side interface status in order to trigger a master/backup switchover of access-side links.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run monitor-group monitor-group-name

    An interface monitoring group is created and the view of the interface monitoring group is displayed.

    NOTE:

    The undo monitor-group command deletes all configurations of an interface monitoring group. If an interface monitoring group has track interfaces, the interface monitoring group cannot be deleted.

  3. (Optional) Run trigger-up-delay trigger-up-delay-value

    A delay for a track interface of the interface monitoring group to restore the Up state is set.

    By default, a track interface becomes Up immediately after the corresponding binding interface becomes Up.

  4. Run monitor enable

    Enable an interface monitoring group.

  5. Run binding interface interface-type interface-number [ down-weight down-weight-value ]

    A network-side interface is added to the interface monitoring group.

    NOTE:

    An Eth-Trunk cannot be added to an interface monitoring group together with any member interfaces.

    Performing Step 5 in duplicate can add multiple network-side interfaces to an interface monitoring group. An interface monitoring group has a maximum of 32 binding interfaces.

  6. Run quit

    Return to the system view.

  7. Run interface interface-type interface-number

    The view of the specified access-side interface is displayed.

  8. Run track monitor-group monitor-group-name [ trigger-down-weight trigger-down-weight-value ]

    An access-side interface is configured to track the interface monitoring group.

    By default, an access-side interface does not track any interface monitoring group.

    If a track interface is an Eth-Trunk interface, the Eth-Trunk interface and its member interfaces cannot be associated with the same interface monitoring group.

    Status changes of binding interfaces trigger the status of corresponding track interface to change.

    NOTE:

    The trigger-down-weight of a track interface must be smaller than the sum of the down-weight values of all binding interfaces in an interface monitoring group.

  9. Run quit

    Return to the system view.

    Perform Steps 7 to 8 in duplicate to configure multiple track interfaces to track an interface monitoring group. An interface monitoring group can be tracked by a maximum of 256 track interfaces. A track interface, however, can track only one interface monitoring group.

Checking the Configuration

  • Run the display monitor-group [ monitor-group-name ] command to check information about interface monitoring groups.

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Updated: 2019-08-12

Document ID: EDOC1100034076

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