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Enterasys Networks XSR CLI Router User Manual

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OSPF Commands

XSR CLI Reference Guide 5-85

Syntax of the “no” Form

Thenoformofthiscommandremovesthecostvaluefromthesummaryroutethatissentby

defaultintothestubareaidentifiedbythearea‐id:

no area area-id default-cost

Mode

Routerconfiguration:XSR(config-router)#

Default

1

Example

Thefollowingcommandsetsthecostvalueforthestubarea10as99:

XSR(config)#interface serial 1/0

XSR(config-if<S1/0>)#ip address 172.16.101.5 255.255.255.252

XSR(config-if<S1/0>)#router ospf

XSR(config-router)#network 172.16.101.5 0.0.0.0 area 10

XSR(config-router)#area 10 stub no-summary

XSR(config-router)#area 10 default-cost 99

area nssa

ThiscommandconfiguresanareaasaNotSoStubbyArea(NSSA)whichallowssomeexternal

routesrepresentedbyexternalLink‐StateAdvertisements(LSAs)tobeimportedintoit.Thisisin

contrasttoastubareathatdoesnotallowanyexternalroutes.Externalroutesthatarenot

importedinto

anNSSAcanberepresentedbymeansofadefaultroute.ItisusedwhenanOSPF

inter‐networkisconnectedtomultiplenon‐OSPFroutingdomains.

Syntax

area area-id nssa [default-information-originate]

Syntax of the “no” Form

ThenoformofthiscommandchangestheNSSAbacktoaplainarea:

no area area-id nssa [default-information-originate]

Mode

Routerconfiguration:XSR(config-router)#

area-id

NSSAareaexpressedindecimalsorIPaddresses.

default-information-

originate

GeneratesadefaultofType7intotheNSSA.Itisusedwhenthe

routerisaNSSAABR

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