H3C Technologies H3C S7500E Series Switches - Manual (Page 301)

9-6
Prerequisites
z Enable IPv6 packet forwarding
z Configure OSPFv3 basic functions
Configuring an OSPFv3 Stub Area
Follow these steps to configure an OSPFv3 stub area:
To do… Use the command… Remarks
Enter system view system-view —
Enter OSPFv3 view ospfv3 [ process-id ] —
Enter OSPFv3 area view area area-id —
Configure the area as a stub area stub [ no-summary ]
Required
Not configured by default
Specify a cost for the default route
advertised to the stub area
default-cost value
Optional
Defaults to 1
z You cannot remove an OSPFv3 area directly. Only when you remove all configurations in area
view and all interfaces attached to the area become down, can the area be removed.
z All the routers attached to a stub area must be configured with the stub command. The keyword
no-summary is only available on the ABR of the stub area.
z If you use the stub command with the keyword no-summary on an ABR, the ABR advertises a
default route in an Inter-Area-Prefix-LSA into the stub area. No AS-external-LSA,
Inter-Area-Prefix-LSA or Inter-Area-Router-LSA is advertised in the area. The stub area of this
kind is also known as a totally stub area.
Configuring an OSPFv3 Virtual Link
You can configure a virtual link to maintain connectivity between a non-backbone area and the
backbone, or in the backbone itself.
Follow these steps to configure a virtual link:
To do… Use the command… Remarks
Enter system view system-view —
Enter OSPFv3 view ospfv3 [ process-id ] —
Enter OSPFv3 area view area area-id —