OSPF - Area Settings

About this task

An OSPF Area contains a set of routers exchanging LSAs (Link State Advertisements) with others in the same area. Areas limit LSAs and encourage aggregate routes.

To override the access point profile's OSPF area settings:

Procedure

  1. Select the Area Settings tab.

    The OSPF Area main screen displays. This screen lists existing OSPF Area configurations.

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    OSPF - Area Setting Configuration Screen
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  2. Review existing Area Settings configurations:

    Area ID

    Displays either the IP address or integer representing the OSPF area.

    Authentication Type

    Lists the authentication schemes used to validate the credentials of dynamic route connections.

    Type

    Lists the OSPF area type in each listed configuration.

  3. To apply overrides, select an area entry from those listed on the screen, and click Edit.

    You can also add new area configurations or delete existing configurations.

    The add/edit OSPF Area screen displays.

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    OSPF - Add/Edit OSPF Area Configuration Screen
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  4. Set the OSPF Area configuration.

    Area ID

    Use the drop-down menu and specify either an IP address or Integer for the OSPF area.

    Authentication Type

    Select either None, simple-password or message-digest as credential validation scheme used with the OSPF dynamic route. The default setting is None.

    Type

    Set the OSPF area type as either stub, totally-stub, nssa, totally-nssa or non-stub.

    Default Cost

    Select this option to set the default summary cost advertised if creating a stub. Set a value from 1 - 16, 777,215.

    Translate Type

    Define how messages are translated. Options include translate-candidate, translate-always and translate-never. The default setting is translate-candidate.

    Range

    Specify a range of addresses for routes matching address/mask for OSPF summarization.

  5. Click OK to save the area configuration changes.

    Click Reset to revert to the last saved configuration.