Owner's Manual

OSPF Commands 241
router ospf router-id
The router ospf router-id global configuration command configures an OSPF router ID. To return
to default, use the
no form of this command.
Syntax
router ospf router-id ip-address
no router ospf router-id
• ip-address —Specifies the OSPF router ID as an IP address.
Default Configuration
The default is the first interface IP address.
Command Mode
Global Configuration mode
User Guidelines
An arbitrary value for the ip-address keyword for each router can be configured; however, each
router ID must be unique.
Example
The following example configures an OSPF router ID as 196.127.2.1.
router ospf area stub
The router ospf area stub global configuration command defines an area as a stub area. To disable
this function, use the
no form of this command.
Syntax
router ospf area area-id stub
no router ospf area
area-id stub
• area-id —Area associated with the OSPF address range. It is specified as an IP address.
Default Configuration
No stub area is defined.
Command Mode
Global Configuration mode
Console (config)# router ospf router-id 196.127.2.1