Chapter 4: OSPF

Commands:

4.3.1 Configuring OSPF on routers within a single area

Router(config)# router ospf process-id
Router(config-router)# network network-address wild-card-mask area area-number

4.3.2 Optional configuration commands

Configuring a Loopback Address:
Router(config)# interface loopback number
Router(config-if)# ip address ip-address subnet-mask

Modifying OSPF Router Priority
Router(config-if)# ip ospf priority number

 

4.3.3 Optional configuration commands (con't)

Router(config-if)# ip ospf cost number

Configuring Authentication:
Router(config-if)# ip ospf authentication-key password
Router(config-router)# area number authentication [message-digest]

Configuring OSPF Timers:
Router(config-if)# ip ospf message-digest-key key-id md5 [encryption-type] password
Router(config-if)# ip ospf hello-interval seconds
Router(config-if)# ip ospf dead-interval seconds

 

4.4.4 Point-to-Multipoint OSPF

Router(config-if)# ip ospf network point-to-multipoint
Router(config-if)# frame-relay map ip address dlci broadcast

4.5.2 Clear and Debug Commands

Router# clear ip route {network [mask] | *}

Router# debug ip ospf adj
Router# debug ip ospf events
Router# debug ip ospf flood
Router# debug ip ospf lsa-generation
Router# debug ip ospf packet
Router# debug ip ospf retransmission
Router# debug ip ospf spf
Router# debug ip ospf tree