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644 Configuring IPv6
Figure 10-16. OSPFv3 Area Configuration
The OSPFv3 Area Configuration page contains the following fields:
•
Area ID
— The OSPFv3 area. An Area ID is a 32-bit integer in dotted decimal format that uniquely
identifies the area to which a router interface connects.
•
External Routing
— A definition of the router's capabilities for the area, including whether or not AS-
external-LSAs are flooded into/throughout the area. If the area is a stub area, then these are the
possible options for which you may configure the external routing capability, otherwise the only option
is Import External LSAs.
•
SPF Runs
— The number of times that the intra-area route table has been calculated using this area's
link-state database. This is typically done using Dijkstra's algorithm.
•
Area Border Router Count
— The total number of area border routers reachable within this area. This
is initially zero, and is calculated in each SPF Pass.
•
Area LSA Count
— The total number of link-state advertisements in this area's link-state database,
excluding AS External LSAs.
•
Area LSA Checksum
— The 32-bit unsigned sum of the link-state advertisements' LS checksums
contained in this area's link-state database. This sum excludes external (LS type 5) link-state
advertisements. The sum can be used to determine if there has been a change in a router's link state
database, and to compare the link-state database of two routers. This value is in hexadecimal.
Configuring OSPFv3 Area
1.
Open the
OSPFv3 Area Configuration
page.
2.
Modify the fields as needed.
3.
Click
Apply Changes
.
The configuration is saved and the device is updated.