Fortinet MR1 - Manual (Page 328)

328
Router OSPF Config
6.3.2.5 area default-cost
This command configures the monetary default cost for the stub area.
Syntax
area <areaid> default-cost <1-16777215>
<areaid> - Area ID
<1-16777215> - The default cost value. The range is 1 to 16777215.
Default Setting
None
Command Mode
Router OSPF Config
6.3.2.6 area nssa
This command configures the specified areaid to function as an NSSA.
Syntax
area <areaid> nssa
no area <areaid> nssa
<areaid> - Area ID.
<no> - This command disables nssa from the specified area id.
Default Setting
None
Command Mode
Router OSPF Config