24-Port Layer 3 Switch Management Guide

IP R OUTING C OMMANDS
4-251
area range
Use this command to summarize the routes advertised by an Area Border
Router (ABR). Use the no form to disable this function.
Syntax
area area-id range ip-address netmask [advertise | not-advertise]
no area area-id range ip-address netmask [advertise | not-advertise]
• area-id - Identifies an area for which the routes are summarized.
(The area ID must be in the form of an IP address.)
• ip-address - Base address for the routes to summarize.
• netmask - Network mask for the summary route.
• advertise - Advertises the specified address range.
• not-advertise - The summary is not sent, and the routes remain
hidden from the rest of the network.
Command Mode
Router Configuration
Default Setting
Disabled
Command Usage
• This command can be used to advertise routes between areas.
• If routes are set to be advertised, the router will issue a Type 3
summary LSA for each address range specified with this command.
• This router supports up 64 summary routes for area ranges.
Example
This example creates a summary address for all area routes in the range of
10.2.x.x.
Console(config-router)#area 10.2.0.0 range 10.2.0.0 255.255.0.0
advertise
Console(config-router)#