User Manual

OSPF and OSPFv3
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M4200 and M4300 Series ProSAFE Managed Switches Web Management User Manual
6. In the Area ID field, 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.
7. Configure the Import Summary LSAs by selecting Enable or Disable from the list.
If you select Enable, summary LSAs are imported into stub areas.
8. Configure the Default Information Originate.
This option permits you to advertise a default route into the NSSA when the import
summary LSAs are disabled.
a. In the Admin Mode list, select to Enable or Disable the default information originate.
b. In the Metric Value field, set the default metric value for default information
originate. The value range of values is 1 to 16777214.
c. In the Metric Type field, select the type of metric specified in the Metric Value field.
Options are as follows:
• Comparable Cost. External type 1 metrics that are comparable to the OSPF
metric.
• Non-comparable Cost. External type 2 metrics that are assumed to be larger
than the cost of the OSPF metric.
9. Select the Translator Role of the NSSA.
Options are as follows:
a. Always. Cause the router to assume the role of the translator the instant it becomes a
border router.
b. Candidate. Cause the router to participate in the translator election process when it
attains border router status.
10. In the Translator Stability Interval field, configure the translator of the NSSA.
The value is the period of time that an elected translator continues to perform its duties
after it determines that its translator status was deposed by another router. The valid
range is 0 to 3600.
11. In the Redistribute Mode field, select to Enable or Disable.
This configures the NSSA ABR so that learned external routes are redistributed to the
NSSA.
12. Click the Add button.
The area is configured as an NSSA area.
13. Click the Apply button.