Procedure

1. Go to Network → Routing → OSPF → Area.
2. Specify the Area ID.
3. For Area type, specify the following:
   • Normal
   • Stub
   • NSSA
   • Stub, no summary
   • NSSA, no summary
4. To add a network, expand Network Settings and specify a valid IP address/netmask.
5. If needed, expand Vlink Settings and add a router IP address..
6. Click Apply.
7. Verify that the new area displays in the list at Network → Routing → OSPF → Area.