ospf database database-summary show ipv6 ospf database database-
summary
Other
CLI commands that you can use to collect and debug specific problems are the following:
• show ip ospf border-routers show ipv6 ospf border-routers
• show ip ospf virtual-links show ipv6 ospf virtual-links
•
show ip ospf te-database
OSPF clear command options
In certain extreme situations, you must completely delete the OSPF database and adjacencies
to force the OSPF processes to rebuild the database. Use the following CLI commands to
remove existing OSPF processes: clear ip ospf clear ipv6 ospf
Be aware that clearing the OSPF processes deletes all OSPF routes, affecting all adjacencies
in the router, which also has a corresponding effect on the OSPF network.
Troubleshooting BGP
Use the show and debug
commands in this section for debugging issues related to BGP
routing behavior, including issues related to the BGP routes.
BGP debug options
You can enable the debug options selectively at the global level for different aspects of BGP
behavior. The following figure shows the debug bgp options.
Figure 11: debug bgp command options
Begin with the following commands for debugging issues with BGP sessions:
•
debug bgp fsm
•
debug bgp events
Troubleshooting BGP
Troubleshooting August 2013 131
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