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Configuring IP Unicast Routing
Configuring OSPF
DETAILED STEPS
To terminate an OSPF routing process, use the no router ospf process-id global configuration command.
EXAMPLE
This example shows how to configure an OSPF routing process and assign it a process number of 109:
Switch(config)# router ospf 109
Switch(config-router)# network 131.108.0.0 255.255.255.0 area 24
Configuring OSPF Interfaces
You can use the ip ospf interface configuration commands to modify interface-specific OSPF parameters. You are not
required to modify any of these parameters, but some interface parameters (hello interval, dead interval, and
authentication key) must be consistent across all routers in an attached network.
Note: The ip ospf interface configuration commands are all optional.
BEFORE YOU BEGIN
If you modify these parameters, be sure all routers in the network have compatible values.
Command Purpose
1. configure terminal Enter global configuration mode.
2. router ospf process-id Enable OSPF routing, and enter router configuration
mode. The process ID is an internally used identification
parameter that is locally assigned and can be any
positive integer. Each OSPF routing process has a unique
value.
3. network address wildcard-mask area
area-id
Define an interface on which OSPF runs and the area ID
for that interface. You can use the wildcard-mask to use
a single command to define one or more multiple
interfaces to be associated with a specific OSPF area.
The area ID can be a decimal value or an IP address.
4. end Return to privileged EXEC mode.
5. show ip protocols Verify your entries.
6. copy running-config startup-config (Optional) Save your entries in the configuration file.
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