Select the interface (CLIP1, CLIP2, etc.) in the IP dialog box, Circuitless IP tab.
Note:
You must first enable OSPF for circuitless IP to function properly.
Click OSPF.
The OspfCircuitless dialog box opens.
Click Enable.
Enter a new area ID by specifying a 32-bit integer. When OSPF is enabled, the circuitless IP address is configured to the backbone area ID 0.0.0.0 until you change the configuration.