debug ip ospf error

Reports the receipt of OSPF packets with errors, or mismatches between hello packet options.
Syntax
debug ip ospf error
no debug ip ospf error
Modes

Privileged EXEC mode

Global Configuration mode

Examples
device# debug ip ospf error
OSPF: errors debugging is on
device(config-vif-9)# Debug: Jan 1 03:37:11 OSPF: invalid header or unable to
find neighbor, drop
Debug: Jan 1 03:37:11 OSPF: recv from:10.9.9.2 Intf:ve 9 Hello L:48 A:1
Rid:10.2.2.2 DR:10.9.9.2 BDR:0.0.0.0
Debug: Jan 1 03:37:23 OSPF: invalid header or unable to find neighbor, drop
Debug: Jan 1 03:37:23 OSPF: recv from:10.9.9.2 Intf:ve 9 Hello L:48 A:1
Rid:10.2.2.2 DR:10.9.9.2 BDR:0.0.0.0
Debug: Jan 1 03:37:34 OSPF: invalid header or unable to find neighbor, drop
Debug: Jan 1 03:37:34 OSPF: recv from:10.9.9.2 Intf:ve 9 Hello L:48 A:1
Rid:10.2.2.2 DR:10.9.9.2 BDR:0.0.0.0
Parent topic: Debug Commands H - P