Setting a Cost for an OSPFv3 Interface

You can control route calculation by setting link costs for OSPFv3 interfaces.

Perform the following operations on the switch that runs OSPFv3.

Run system-view
The system view is displayed.
Run interface interface-type interface-number
The interface view is displayed.
(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 S5720-EI, S5720-HI, S5730-HI, S5731-H, S5731-S, S5731S-H, S5731S-S, S5732-H, S6720-EI, S6720-HI, S6720S-EI, S6730-H, S6730S-H, S6730-S, and S6730S-S support switching between Layer 2 and Layer 3 modes.
Run ospfv3 cost cost [ instance instance-id ]
A cost is set for the OSPFv3 interface.

By default, this cost is 1.