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Cisco ASA 5500 Series Configuration Guide using ASDM
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Chapter 21 Configuring OSPF
Customizing OSPF
The three tabs in ASDM used to enable OSPF are as follows:
• Process Instances tab—This tab allows you to enable up to two OSPF process instances. Once you
check the Enable Each OSPF Process check box, you can enter a unique identifier numeric
identifier for that OSPF process. This process ID is used internally and does not need to match the
OSPF process ID on any other OSPF devices; valid values are from 1 to 65535. Each OSPF process
has its own associated areas and networks.
If you choose Advanced, you can configure the Router ID, Adjacency Changes, Administrative
Route Distances, Timers, and Default Information Originate settings for each OSPF process. See the
“Configuring Route Calculation Timers” section on page 21-15 for more information.
• Area/Networks tab—This tab allows you to display the areas, and the networks they contain, for
each OSPF process on the adaptive security appliance. From this tab you can display the area ID,
the area type, the type of authentication set for the area. To add or edit the OSPF area or network,
see the “Configuring OSPF Area Parameters” section on page 21-12 for more information.
• Route Summarization tab—This tab allows you to configure an ABR. In OSPF, an ABR will
advertise networks in one area into another area. If the network numbers in an area are assigned in
a way such that they are contiguous, you can configure the ABR to advertise a summary route that
covers all the individual networks within the area that fall into the specified range. See the
“Configuring Route Summarization Between OSPF Areas” section on page 21-8 for more
information.
Customizing OSPF
This section explains how to customize the OSPF process and includes the following topics:
• Redistributing Routes Into OSPF, page 21-5
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