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Unicast Routing
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Note: This router supports up 64 summary routes for area ranges.
Web - Click Routing Protocol, OSPF, Area Range Configuration. Specify the area
identifier, the base address and network mask, select whether or not to advertise the
summary route to other areas, and then click Apply.
Figure 20-8 OSPF Range Configuration
CLI - This example summarizes all the routes for area 1. Note that the default for the
area range command is to advertise the route summary. The configured summary
route is shown in the list of information displayed for area 1.
Console(config-router)#area 0.0.0.1 range 10.1.1.0 255.255.255.0 42-23
Console(config-router)#end
Console#show ip ospf
Routing Process with ID 10.1.1.253
Supports only single TOS(TOS0) route
Number of area in this router is 4
Area 0.0.0.0 (BACKBONE)
Number of interfaces in this area is 0
SPF algorithm executed 47 times
Area 0.0.0.1
Number of interfaces in this area is 3
SPF algorithm executed 14 times
Area ranges are
255.255.255.0/24 Active
Console#