Checklist for Verifying the OSPF Protocol and Neighbors

You can use the commands provided in Table 26 for verifying the OSPF protocol and neighbors.

Table 26: Checklist for Verifying the OSPF Protocol and Neighbors

Tasks	Command or Action
Verify the OSPF Protocol
Check OSPF on an ASBR	show configuration show ospf interface
Check OSPF on an ABR	show configuration show ospf interface
Check OSPF on a Stub Router	show configuration show ospf interface
Check OSPF Neighbors
Verify OSPF Neighbors	show ospf neighbor
Examine the OSPF Link-State Database	show ospf database
Examine OSPF Routes	show route destination-prefix show ospf database
Examine the Forwarding Table	show route destination-prefix extensive show route forwarding-table destination destination-prefix
Examine Link-State Advertisements in Detail
Examine a Type 1 Router LSA	show ospf database router extensive
Examine a Type 3 Summary LSA	show ospf database netsummary extensive
Examine a Type 4 ASBR Summary LSA	show ospf database asbrsummary extensive
Examine a Type 5 AS External LSA	show ospf database extern extensive
Examine Type 7 NSSA External LSA	show ospf database nssa extensive