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Configuration Guide - Reliability

S1720, S2700, S5700, and S6720 V200R010C00

This document describes the configuration of BFD, DLDP, VRRP, SmartLink, CFM, EFM, Y.1731 and MAC swap loopback to ensure reliability on the device.
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Configuring a VRRP6 Group and Binding the VRRP6 Group to an mVRRP6 Group

Configuring a VRRP6 Group and Binding the VRRP6 Group to an mVRRP6 Group


You can bind VRRP6 groups to an mVRRP6 group so that mVRRP6 determines the status of the bound VRRP6 groups.


  1. Run:


    The system view is displayed.

  2. Run:

    interface interface-type interface-number

    The view of the interface where a VRRP6 group is configured is displayed.

  3. (Optional) On an Ethernet interface, run undo portswitch

    The interface is switched to Layer 3 mode.

    By default, an Ethernet interface works in Layer 2 mode.

    Only the S5720HI, S5720EI, S6720EI, and S6720S-EI support switching between Layer 2 and Layer 3 modes.

  4. Run:

    vrrp6 vrid virtual-router-id virtual-ip virtual-ipv6-address [ link-local ]

    A VRRP6 group is created, and a virtual IPv6 address is assigned to the VRRP6 group.

    By default, no VRRP6 group is created.

    Because the mVRRP6 group determines the status of its member VRRP6 groups, you do not need to set priorities for the member VRRP6 groups.

  5. Run:

    vrrp6 vrid virtual-router-id1 track admin-vrrp6 interface interface-type interface-number vrid virtual-router-id2 unflowdown

    The VRRP6 group is bound to an mVRRP6 group.

    By default, no VRRP6 group is bound to an mVRRP6 group.

    After the binding is complete, the state machine of the bound VRRP6 group depends on the status of the mVRRP6 group. That is, the bound VRRP6 group inherits the status of the mVRRP6 group, deletes its VRRP6 Advertisement packet timeout timer, and stops sending or receiving VRRP6 Advertisement packets. A VRRP6 group can be bound to only one mVRRP6 group.

Updated: 2019-08-21

Document ID: EDOC1000141941

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