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Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

PDF

Troubleshooting OSPFv2

The Dell Networking OS has several tools to make troubleshooting easier.

Be sure to check the following, as these questions represent typical issues that interrupt an OSPFv2 process.
  • NOTE: The following is not a comprehensive list, just some examples of typical troubleshooting checks.
  • Have you enabled OSPF globally?
  • Is the OSPF process active on the interface?
  • Are adjacencies established correctly?
  • Are the interfaces configured for Layer 3 correctly?
  • Is the router in the correct area type?
  • Have the routes been included in the OSPF database?
  • Have the OSPF routes been included in the routing table (not just the OSPF database)?
Some useful troubleshooting commands are:
  • show interfaces
  • show protocols
  • debug IP OSPF events and/or packets
  • show neighbors
  • show routes

To help troubleshoot OSPFv2, use the following commands.

  • View the summary of all OSPF process IDs enables on the router. EXEC Privilege mode show running-config ospf
  • View the summary information of the IP routes. EXEC Privilege mode show ip route summary
  • View the summary information for the OSPF database. EXEC Privilege mode show ip ospf database
  • View the configuration of OSPF neighbors connected to the local router. EXEC Privilege mode show ip ospf neighbor
  • View the LSAs currently in the queue. EXEC Privilege mode show ip ospf timers rate-limit
  • View debug messages. EXEC Privilege mode debug ip ospf process-id [event | packet | spf | database-timers rate-limit] To view debug messages for a specific OSPF process ID, use the debug ip ospf process-id command. If you do not enter a process ID, the command applies to the first OSPF process. To view debug messages for a specific operation, enter one of the optional keywords:
    • event: view OSPF event messages.
    • packet: view OSPF packet information.
    • spf: view SPF information.
    • database-timers rate-limit: view the LSAs currently in the queue.

Example of Viewing OSPF Configuration 

Dell#show run ospf
                                 !
                                 router ospf 3
                                 !
                                 router ospf 4
                                 router-id 4.4.4.4
                                 network 4.4.4.0/28 area 1
                                 !
                                 router ospf 5
                                 !
                                 router ospf 6
                                 !
                                 router ospf 7
                                 mib-binding
                                 !
                                 router ospf 8
                                 !
                                 router ospf 90
                                 area 2 virtual-link 4.4.4.4
                                 area 2 virtual-link 90.90.90.90 retransmit-interval 300
                                 !
                                 ipv6 router ospf 999
                                 default-information originate always
                                 router-id 10.10.10.10
                                 Dell#

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