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ospf configuration troubleshooting

There are some command to help troubleshoot of  OSPF and configuration.

1- show ip protocols (this command confirm on router , how many protocol is running include OSPF)




2 - show ip route ( dynamic routes are learned by OSPF)




3- 
show ip ospf (display OSPF info for all OSPF processes)




4- show ip ospf database (internetwork along with the neighboring routers ID)




5 - show ip ospf neighbor (neighbors and adjacency state) -




6 - show ip ospf interface (all interface-related OSPF information including “Hello” and “Dead” timer intervals)



7 - ip ospf cost (interface mode command – change the default OSPF cost on an interface)

8 - debug ip ospf packet (shows hello packets being sent and received on the router)




9 - debug ip ospf hello

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