Fortinet MR1 - Manual (Page 339)

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6.3.2.25 external-lsdb-limit
This command configures the external LSDB limit for OSPF. If the value is -1, then there is
no limit. When the number of non-default AS-external-LSAs in a router's link-state database
reaches the external LSDB limit, the router enters overflow state. The router never holds
more than the external LSDB limit non-default AS-external-LSAs in it database. The external
LSDB limit MUST be set identically in all routers attached to the OSPF backbone and/or any
regular OSPF area.
Syntax
external-lsdb-limit <-1-2147483647>
no external-lsdb-limit
<-1-2147483647> - The range of external LSDB limit for OSPF is -1 to 2147483674.
<no> - This command configures the default external LSDB limit for OSPF.
Default Setting
The default value of external LSDB limit for OSPF is -1.
Command Mode
Router OSPF Config
6.3.2.26 ip ospf areaid
This command sets the OSPF area to which the specified router interface belongs. Assigning
an area id, which does not exist on an interface, causes the area to be created with default
values.
Syntax
ip ospf areaid <areaid>
< areaid > - It is an IP address, formatted as a 4-digit dotted-decimal number that uniquely identifies the
area to which the interface connects.