debug ip ospf event

Displays information about internal OSPF events related to configuration or interaction with the standby management processor and interface state transitions.
Syntax
debug ip ospf event
no debug ip ospf event
Modes

Privileged EXEC mode

Examples
device# debug ip ospf event
OSPF: events debugging is on
device# OSPF: Interface ve 18 (10.1.18.1) state Waiting processing event Wait
Timer
OSPF: DR/BDR election for 10.1.18.1 on ve 18
OSPF: Neighbor 10.213.213.213 int v18, state 2_WAY processing event ADJACENCY_OK
OSPF: send DBD to 10.213.213.213 on ve 18 flag 0x7 seq 0x18a3b9 len 32
OSPF: elect BDR(backup designated router): Router ID 10.213.213.213 IP interface
10.1.18.2
OSPF: elect DR(designated router): Router ID 10.10.10.77, IP interface 10.1.18.1
OSPF: Neighbor 10.116.116.1 int 2/1/21, state FULL processing event HELLO_RECEIVED
OSPF: Neighbor 10.116.116.1 int v511, state FULL processing event HELLO_RECEIVED
OSPF: Neighbor 10.116.116.1 int v911, state FULL processing event HELLO_RECEIVED
OSPF: Neighbor 41.41.41.41 int v35, state FULL processing event HELLO_RECEIVED
OSPF: Neighbor 10.213.213.213 int 2/1/14, state 2_WAY processing event
HELLO_RECEIVED
OSPF: Neighbor 10.116.116.1 int v511, state FULL processing event HELLO_RECEIVED
OSPF: send DBD to 10.213.213.213 on ve 18 flag 0x7 seq 0x18a3b9 len 32
OSPF: Neighbor 49.2.3.4 int v34, state FULL processing event HELLO_RECEIVED
OSPF: Neighbor 10.213.213.213 int v18, state EXCHANGE_START processing event
HELLO_RECEIVED
OSPF: Neighbor 10.213.213.213 int 4/1/12, state FULL processing event
HELLO_RECEIVED
device# OSPF: Interface ethernet 4/1/12 (10.1.51.2) state Down processing event
Interface Up
virtual interface 10.1.51.2 up, state changed to Other from Point To Point
no deOSPF: Neighbor 10.213.213.213 int 4/1/12, state DOWN processing event
HELLO_RECEIVED
OSPF: Neighbor 10.213.213.213 int 4/1/12, state INITIALIZING processing event
ONE_WAY
bug ip OSPF: Neighbor 10.213.213.213 int 4/1/12, state INITIALIZING processing
event HELLO_RECEIVED