Configuring OSPF Interfaces

You can configure OSPF attributes for either a single OSPF network by using the address commands, or for all OSPF networks on a particular media interface by using the ip ospf commands.

The size of the OSPF maximum transmission unit (MTU) is negotiated rather than configured. OSPF database description exchange uses the interface MTU to signal the largest OSPF MTU that can be sent over an OSPF interface without fragmentation.

Configuring OSPF attributes for OSPF networks includes setting the following:

• Cost
• Dead interval
• Hello interval
• Router priority
• Retransmit interval
• Transmit delay

  Note: Before using the address or ip ospf commands, see Precedence of Commands for information about the relationship between these commands.

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