User Manual

OSPF and OSPFv3
396
M6100, M5300, and M7100 Series Managed Switches
The web management interface menu displays.
7. Select Routing > OSPF > Advanced > Stub Area Configuration.
8. Enter the OSPF Area ID.
An area ID is a 32-bit integer in dotted-decimal format that uniquely identifies the area to
which a router interface connects.
9. Configure the Import Summary LSAs by selecting Enable or Disable from the list.
If you select Enable, summary LSAs are imported into stub areas.
10. Configure the Default Cost by entering the metric value to be applied for the default route
advertised to the stub area.
The valid values range from 1 to 16,777,215.
11. Click the Add button.
The area is configured as a stub area.
12. To delete the stub area designation, click the Delete button.
The area is returned to normal state.
13. Click the Apply button.
The updated configuration is sent to the switch. Configuration changes take effect
immediately.
The following table describes the nonconfigurable data that is displayed.
Table 147. OSPF Stub Area Configuration
Field Description
SPF Runs The number of times that the intra-area route table was 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.