Creating a Single OSPFv2 Interface

To create a single OSPFv2 interface:

1. Create an OSPF routing process.
2. Create the OSPF interface associated with the IP interface at the specified address.

Each router running OSPF has a database describing a map of the routing domain. This map needs to be identical in all participating routers.

address area

• Use to create an interface in an area on which OSPFv2 runs, on top of the IP interface at the specified IP address.
• You can specify either an IP address or an unnumbered interface.
• Configures OSPFv2 with the default values. You can configure the interface with a nondefault value by using the other address commands. You must first issue the address area command before issuing any other address commands. See Configuring OSPF Interfaces for more information.
• Example

  host1(config-router)#address 10.10.32.100 area 0.0.0.0

• Use the no version to delete the OSPFv2 interface.
• See address area

ospf enable

• Use to enable OSPF on the router.
• OSPF is enabled by default.
• Example

  host1(config-router)#ospf enable

• The no version of this command is deprecated and might be removed in a future release. Use the ospf shutdown command to disable OSPF on the router.
• See ospf enable

router ospf

• Use to set an OSPF process ID.
• The process ID can be any positive integer in the range 1–65535.
• You must assign a unique ID for each OSPF routing process.
• Example

  host1(config)#router ospf 5

• Use the no version to end the designated OSPF routing process.
• See router ospf

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