Command
Debug IP OSPF Events
Use
Displays all the OSPF event messages on the router.
Syntax
Router#debug ip ospf events
Example
The following example shows what happens when debug ip ospf events is turned on for R2.
R2(config-router)#do debug ip ospf events OSPF events debugging is on R2(config-router)#
Here are some of the messages outputted shortly after enabling OSPF event debugging.
R2(config-router)# *Mar 1 01:59:00.367: OSPF: Rcv hello from 111.111.111.111 area 0 from FastEthernet0/0 10.1.1.1 *Mar 1 01:59:00.371: OSPF: End of hello processing R2(config-router)# *Mar 1 01:59:07.163: OSPF: Send hello to 224.0.0.5 area 0 on FastEthernet0/0 from 10.1.1.2 *Mar 1 01:59:07.171: OSPF: Send hello to 224.0.0.5 area 0 on FastEthernet1/0 from 10.2.2.2 *Mar 1 01:59:07.351: OSPF: Rcv hello from 133.133.133.133 area 0 from FastEthernet1/0 10.2.2.3 *Mar 1 01:59:07.355: OSPF: End of hello processing R2(config-router)#d *Mar 1 01:59:10.375: OSPF: Rcv hello from 111.111.111.111 area 0 from FastEthernet0/0 10.1.1.1 *Mar 1 01:59:10.379: OSPF: End of hello processing
To turn off debugging, the following command is issued.
R2(config-router)#do un all All possible debugging has been turned off