Area stub, Area stub no-summary – Dell PowerEdge M805 User Manual

Page 675

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OSPF Commands

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area stub

Use the area stub command in Router OSPF Configuration mode to create a stub area for the
specified area ID. A stub area is characterized by the fact that AS External LSAs are not propagated
into the area. Removing AS External LSAs and Summary LSAs can significantly reduce the link
state database of routers within the stub area. Use the no form of the command to remove the stub
area.

Syntax

area area-id stub

no area area-id stub

area-id—Identifies the area identifier of the OSPF stub. (Range: IP address or decimal
from 0-4294967295)

Default Configuration

This command has no default configuration.

Command Mode

Router OSPF Configuration mode

User Guidelines

This command has no user guidelines.

Examples

The following examples define area 3 for the stub and then removes the stub area.

console(config-router)#area 3 stub

console(config-router)#no area 3 stub

area stub no-summary

Use the area stub no-summary command in Router OSPF Configuration mode to prevent
Summary LSAs from being advertised into the NSSA. Use the no form of the command to return
the Summary LSA mode to the default value.

Syntax

area area-id stub no-summary

no area area-id stub no-summary

area-id—Identifies the OSPF area to configure. (Range: IP address or decimal from 0-
4294967295)

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