Administrator Guide

Layer 3 Routing Commands 1725
• area-id — Identifies the OSPF area to configure. (Range: IP address or
decimal from 0–4294967295)
Default Configuration
Disabled is the default configuration.
Command Mode
Router OSPF Configuration mode.
User Guidelines
This command has no user guidelines.
Example
The following example prevents the Summary LSA from being advertised
into the area 3 NSSA.
console(config-router)#area 3 stub no-summary
area virtual-link
Use the area virtual-link command in Router OSPF Configuration mode to
create the OSPF virtual interface for the specified area-id and neighbor
router. To remove the link, use the no form of the command. Use the optional
parameters to configure authentication, dead-interval, hello-interval,
retransmit-interval and transmit-delay. If the area has not been previously
created, it is created by this command. If the area already exists, the virtual-
link information is added or modified.
Syntax
area area-id virtual-link router-id [authentication [message-digest | null]]
[hello-interval
seconds ] [retransmit-interval seconds ] [transmit-delay
seconds ] [dead-interval seconds ] [[authentication-key key ] | [message-
digest-key
key-id md5 key ]]
no area
area-id virtual-link router-id [authentication [message-digest | null]]
[hello-interval] [retransmit-interval] [transmit-delay] [dead-interval]
[[authentication-key] | [message-digest-key]]
2CSNXXX_SWUM204.book Page 1725 Monday, January 25, 2016 1:25 PM