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Catalyst 3750 Switch Software Configuration Guide
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Chapter 34 Configuring IP Unicast Routing
Configuring OSPF
This section briefly describes how to configure OSPF. It includes this information:
• Default OSPF Configuration, page 34-26
• Configuring Basic OSPF Parameters, page 34-27
• Configuring OSPF Interfaces, page 34-28
• Configuring OSPF Area Parameters, page 34-29
• Configuring Other OSPF Parameters, page 34-30
• Changing LSA Group Pacing, page 34-32
• Configuring a Loopback Interface, page 34-32
• Monitoring OSPF, page 34-33
Note To enable OSPF, the stack master must be running the EMI.
Default OSPF Configuration
Table 34-5 shows the default OSPF configuration.
Table 34-5 Default OSPF Configuration
Feature Default Setting
Interface parameters Cost: No default cost predefined.
Retransmit interval: 5 seconds.
Transmit delay: 1 second.
Priority: 1.
Hello interval: 10 seconds.
Dead interval: 4 times the hello interval.
No authentication.
No password specified.
MD5 authentication disabled.
Area Authentication type: 0 (no authentication).
Default cost: 1.
Range: Disabled.
Stub: No stub area defined.
NSSA: No NSSA area defined.
Auto cost 100 Mbps.
Default-information originate Disabled. When enabled, the default metric setting is 10, and the
external route type default is Type 2.
Default metric Built-in, automatic metric translation, as appropriate for each
routing protocol.
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