Netgear GS728TP Manuel d'utilisateur télécharger pdf (Page 264)

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Routing

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ProSafe M5300 Switch

NSSA Area Configuration

To display the NSSA Area Configuration page, click Routing OSPFv3 Advanced  NSSA

Area Configuration.

1. Use Area ID to 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.

2. Use Import Summary LSAs to select enable or disable. If you select enable summary

LSAs will be imported into areas. Defaults to Enable.

3. Use Default Information Originate to advertise a default route into the NSSA when Import

Summary LSAs is disabled. This can also be applied by the CLI command area

<areaid> nssa default-info-originate in the IPv6 router OSPF config mode.

4. Use Admin Mode to enable or disable the default information originate. Valid values are

True or False.

5. Use Metric Value to set the Default Metric value for default information originate. The valid

range of values is 1 to 16777214.

6. Use Metric Type to select the type of metric specified in the Metric Value field.

• Comparable Cost - External Type 1 metrics that are comparable to the OSPFv3

metric

• Non-comparable Cost - External Type 2 metrics that are assumed to be larger than

the cost of the OSPFv3 metric

7. Use Translator Role to specify the NSSA Border router's ability to perform NSSA translation

of type-7 LSAs into type-5 LSAs. The valid values are 'Always' and 'Candidate'.

8. Use Translator Stability Interval to specify the number of seconds after an elected

translator determines its services are no longer required, that it should continue to perform

its translation duties. The valid range of values is 0 to 3600.

9. Use No-Redistribute Mode to enable or disable the No-Redistribute Mode.

10. Click ADD to configure the area as a NSSA area.

11. Click DELETE to delete the NSSA area designation. The area will be returned to normal

state.

Field Description

SPF Runs The number of times that the intra-area route table has been calculated

using this area's link-state database. This is 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.

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Netgear GS728TP Manuel d'utilisateur Page 264

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