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CLI-based Configuration Guide - IP Unicast Routing

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R009

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Configuring DR Priority of an Interface

Configuring DR Priority of an Interface


The DR priority on a router interface qualifies the interface for the DR election. If the DR priority is 0, the router cannot be elected as a DR or BDR.

Do as follows on the router that runs OSPFv3.


  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. Run ospfv3 dr-priority priority [ instance instance-id ]

    The DR priority of the interface is set.

Follow-up Procedure

After the DR priority is changed, you can re-elect a DR or BDR through the following methods, which, however, will result in the interruption of the OSPFv3 neighbor relationship between routers and therefore are used only when necessary.

  • Restarting all routers.

  • Running the shutdown and undo shutdown commands on the interface on which the OSPFv3 neighbor relationship is set up.

Updated: 2019-12-27

Document ID: EDOC1000174069

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