OSPF Monitoring and Maintaining

Command

Description

clear ip ospf [ process-id ] process

Resets an OSPF process.

clear ip ospf process-id neighbor neighbor-ip-address [ neighbor-router-id ]

Resets an OSPF neighbor.

clear ip ospf statistics [ interface-name ]

Clears OSPF interface statistics.

clear ip ospf [ process-id ] redistribution

Re-advertises external routes.

clear ip ospf [ process-id ] route

Re-calculates OSPF routes.

show ip ospf [ process-id ]

Display the OSPF basic information.

show ip ospf [ process-id ] border-routers

Display the information about the routes that have reached the boundary devices in OSPF.

show ip ospf [ process-id ] buffers

Display the size of the OSPF packet transmitting and receiving buffer.

show ip ospf [ process-id ] database [ adv-router router-id | age lsa_age | database-summary | max-age | [ asbr-summary | external | network | nssa-external | opaque-area | opaque-as | opaque-link | router | self-originate | summary ] [ [ link-state-id ] [ adv-router advertising-router-id ] | self-originate | summary ] ]

Display the information about an OSPF database.

show ip ospf interface [ interface-name [ detail ] ]

Display the information about an OSPF interface.

show ip ospf [ process-id ] neighbor [ neighbor-id | all | detail [ all ] | interface ip-address [ detail ] | statistic ]

Display the information about OSPF neighbors.

show ip ospf [ process-id ] route [ ip-address mask | ip-address/mask-length | external | inter-area | intra-area | statistic ]

Display the information about OSPF routes.

show ip ospf [ process-id ] virtual-links

Display the information about OSPF virtual links.

show ip ospf [ process-id ] sham-links

Display the information about an interface on which OSPF sham links are configured. The information includes interface status, cost value, and neighbor status.