AIS AI2524 user manual Enable Ospf, Configure Ospf Interface Parameters

AI2524 Router Card User’s Manual

zConfigure Route Calculation Timers

zConfigure OSPF over On-Demand Circuits

Enable OSPF

To enable OSPF, you must create an OSPF routing process, specify the range of IP addresses to be associated with the routing process, and as- sign area IDs to be associated with that range of IP addresses.

1.Enable OSPF routing. This places you in the router configuration mode.

router ospf process-id

2.Define an interface on which OSPF runs and define the area ID for that interface.

network address wildcard-mask area area-id

Configure OSPF Interface Parameters

OSPF implementation allows you to alter certain interface-specific OSPF parameters. You may need to change these parameters for con- sistency. If you do configure any of these parameters, be sure the con- figurations for all routers on your network have compatible values.

In interface configuration mode, specify any of these interface param- eters as needed for your network:

1.Explicitly specify the cost of sending a packet on an OSPF inter- face.

ip ospf cost cost

2.Specify the number of seconds between link state advertisement retransmissions for adjacencies belonging to an OSPF interface.

ip ospf retransmit-interval seconds

3.Set the estimated number of seconds it takes to transmit a link stat update packet on an OSPF interface.

ip ospf transmit-delay seconds

4.Set priority to help determine the OSPF designated router for network.

ip ospf priority number

5.Specify the length of time, in seconds, between the hello packets that the Cisco IOS software sends on an OSPF interface.

ip ospf hello-interval seconds

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