Support User Manuals

Enterasys Networks XSR CLI Router User Manual

Open as PDF

of 684

OSPF Commands

5-84 Configuring the Internet Protocol

• “VRRPClearandShowCommands”onpage 5‐197.

OSPF Commands

area authentication

Thiscommandenables/disablesauthenticationforanOSPFarea.

Syntax

area area-id authentication [message-digest]

Syntax of the “no” Form

ThenoformofthiscommandremovesauthenticationfromtheOSPFareaspecifiedbyarea‐id:

no area area-id authentication

Mode

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

Default

ThedefaultvalueisType0authentication;thatis,noauthentication.

Example

ThisexampleenablesauthenticationonOSPFarea10.0.0.0.interfaceSerial1/1,whoseaddressis

172.16.77.1,ispartofarea10.0.0.0,soanauthenticationmechanismcouldbedefinedforit:

XSR(config)#interface serial 1/1

XSR(config-if<S1/1)#ip address 172.16.77.1 255.255.255.0

XSR(config-if<S1/1)#ip ospf message-digest-key 20 md5 pass1

XSR(config)#router ospf 1

XSR(config-router)#network 172.16.77.1 0.0.0.0 area 10.0.0.0

XSR(config-router)#area 10.0.0.0 authentication message-digest

area default-cost

ThiscommandsetsthecostvalueforthedefaultroutethatissentintoastubareabyanArea

BorderRouter(ABR).ThiscommandisrestrictedtoABRsattachedtostubareas.

Syntax

area area-id default-cost cost

area-id

OSPFareatobeauthenticated,expressedindecimalsorIPaddresses.

message-digest

EnablesMD5authenticationontheOSPFareaindicatedbyarea‐id

keyword

area-id

ThestubareaexpressedindecimalsorIPaddresses.

cost

Costvalueforasummaryroutethatissenttoastubareabydefault.

Validvaluesare24‐bitnumbers,from0to16,777,215.

previous next