Specifications

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10.9.5 Area
Choose the menu Routing→OSPF→Area to load the following page.
Figure10-50 OSPF Area
The following entries are displayed on this screen:

Area Config
Process ID: Select the desired OSPF process for configuration.
Area ID:
The 32 bit unsigned integer that uniquely identifies the area. It
can be in decimal format or dotted decimal format.
Area Description:
One simple string to describe the area. No more than 20
characters.
Area Type: OSPF area type: Normal, Stub, or NSSA.
Authentication
Type:
The authentication type of the area. All the interfaces that
belong to such area
will have the same authentication type by
default.
 null: No authentication.
 simple: Uses simple password.
 md5: Uses md5 message-digest algorithm.
Default Cost:
The metric value you want to apply for the default
Summary-
LSA advertised into the stub area. The valid value
ranges from 1 to 16777214.
Summary: Set whether or not the specified Area will allow Su
mmary
Link-
State Advertisements (Summary LSAs) to be imported
into the area from other areas. It is always Enable in Normal
areas. The default is Enable.
Redistribution:
Set whether or not the external routes will be redistributed to
the area. It is alway
s Enable in Normal areas and always
Disable in Stub areas.
Default Route
Advertise:
Enable or disable advertising default route
(0.0.0.0/0.0.0.0)
into NSSA area by sending a NSSA-
External LSA. It is only
available in NSSA area.