Maintaining OSPF

Maintaining OSPF involves resetting OSPF and clearing OSPF statistics.

OSPF information cannot be restored after being cleared. Exercise caution when running this command.

After confirming the running information about the OSPF statistics, run the following commands in the user view.

**Table 1** Commands used for clearing OSPF
Action	Command
Clear OSPF counters	reset ospf [ process-id ] counters [ neighbor [ interface-type interface-number ] [ router-id ] ]
Clear the routes imported by OSPF	reset ospf [ process-id ] redistribution

**Table 2** Commands used for resetting OSPF
Action	Command
Restart the OSPF process	reset ospf process NOTE: After the reset ospf process command is used to restart OSPF, the following situations may occur: If the router ID is changed, a new router ID will take affect after the reset ospf process command is run. Re-elect DR and BDR after the reset ospf process command is run.
Clear invalid LSAs within the set time before LSAs time out	reset ospf process flush-waiting-timer time
Restart the OSPF process in GR mode	reset ospf [ process-id ] process [ graceful-restart ]