Administrator Guide

Layer 3 Routing Commands 1724
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
2CSNXXX_SWUM204.book Page 1724 Monday, January 25, 2016 1:25 PM