864 OSPF Commands
Syntax
area
area-id
range
ip-address subnet-mask
{summarylink | nssaexternallink}
[advertise |not-advertise]
no area
area-id
range
ip-address subnet-mask
{summarylink |
nssaexternallink}
•
area-id
— Identifies the OSPF NSSA to configure. (Range: IP address or
decimal from 0–4294967295)
•
ip-address
— IP address.
•
subnet-mask
— Subnet mask associated with IP address.
•
summarylink
— Specifies a summary link LSDB type.
•
nssaexternallink
— Specifies an NSSA external link LSDB type.
•
advertise
— Advertisement of the area range.
•
not-advertise
— Suppresses advertisement of the area range.
Default Configuration
This command has no default configuration.
Command Mode
Router OSPF Configuration mode.
User Guidelines
Use this command with Area Border Routers (ABRs).
Example
The following example defines an area range for the area 20.
console(config-router)#area 20 range 192.168.6.0
255.255.255.0 summarylink advertise
area stub
Use the area stub command in Router OSPF Configuration mode to create a
stub area for the specified area ID. A stub area is characterized by the fact
that AS External LSAs are not propagated into the area. Removing AS
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