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S12700 V200R013C00 Configuration Guide - Reliability

This document describes the configurations of Reliability, including BFD Configuration, VRRP Configuration, NSR Configuration, DLDP Configuration, Smart Link and Monitor Link Configuration, MAC Swap Loopback Configuration, EFM Configuration, CFM Configuration, Y.1731 Configuration.
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Creating a VRRP6 Group

Creating a VRRP6 Group


VRRP6 virtualizes multiple devices into one virtual router without changing the networking, and uses the virtual router's IP address as the default gateway address to implement next-hop gateway backup. After a VRRP6 group is configured, traffic is forwarded through the master. When the master fails, a new master is selected from backups to forward traffic. This ensures device-level reliability.

If load balancing is required in addition to gateway backup, configure two or more VRRP6 groups on an interface in single-gateway load balancing mode or multi-gateway load balancing mode.


  1. Create a VRRP6 group working in active/standby mode.
    1. Run system-view

      The system view is displayed.

    2. Run ipv6

      The IPv6 function is enabled.

      By default, a device is disabled from forwarding IPv6 unicast packets.

    3. Run interface interface-type interface-number

      The interface view is displayed.

    4. (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.

    5. Run ipv6 enable

      IPv6 is enabled on the interface.

      By default, the IPv6 function is disabled on an interface.

    6. Run ipv6 address { ipv6-address prefix-length | ipv6-address/prefix-length }

      An IPv6 address is configured for the interface.

    7. 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.

      The first virtual IPv6 address of a VRRP6 group must be a link-local address.

  2. Create VRRP6 groups working in multi-gateway load balancing mode.

    If VRRP6 groups need to work in multi-gateway load balancing mode, repeat the preceding step to configure two or more VRRP6 groups on the interface and assign different VRIDs to them.

Updated: 2019-04-08

Document ID: EDOC1100065654

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