3Com 8807 Command Reference Manual page 429

Parameter
process-id: Process ID of OSPF. The command is applied to all current OSPF
processes if you do not specify a process ID.
Description
Use the display ospf error command to view the OSPF error information.
Example
# Display the OSPF error information.
<SW8800> display ospf error
OSPF Process 1 with Router ID 1.1.1.1
OSPF packet error statistics:
0: IP: received my own packet
0: OSPF: wrong version
0: OSPF: wrong area id
0: OSPF: wrong virtual link
0: OSPF: wrong authentication key
0: OSPF: packet size > ip length
0: OSPF: interface down
0: HELLO: netmask mismatch
0: HELLO: dead timer mismatch
0: HELLO: router id confusion
0: DD: router id confusion
0: DD: unknown LSA type
0: LS ACK: wrong ack
0: LS ACK: unknown LSA type
0: LS REQ: empty request
0: LS UPD: neighbor state low
0: LS UPD: LSA checksum wrong
0: LS UPD: unknown LSA type
0: DD: MTU option mismatch
Table 58 Description of the fields of the display ospf error command
Field
IP: received my own packet
OSPF: wrong packet type
OSPF: wrong version
OSPF: wrong checksum
OSPF: wrong area id
OSPF: area mismatch
OSPF: wrong virtual link
OSPF: wrong authentication type
OSPF: wrong authentication key
OSPF: too small packet
OSPF: packet size > ip length
OSPF: transmit error
OSPF: interface down
OSPF: unknown neighbor
HELLO: netmask mismatch
HELLO: hello timer mismatch
HELLO: dead timer mismatch
HELLO: extern option mismatch
OSPF Configuration Commands
0: OSPF: wrong packet type
0: OSPF: wrong checksum
0: OSPF: area mismatch
0: OSPF: wrong authentication type
0: OSPF: too small packet
0: OSPF: transmit error
0: OSPF: unknown neighbor
0: HELLO: hello timer mismatch
0: HELLO: extern option mismatch
0: HELLO: virtual neighbor unknown
0: DD: extern option mismatch
0: LS ACK: neighbor state low
0: LS ACK: duplicate ack
0: LS REQ: neighbor state low
0: LS REQ: wrong request
0: LS UPD: newer self-generate LSA
0: LS UPD: received less recent LSA
0: OSPF routing: next hop not exist
0: ROUTETYPE: wrong type value
Description
Received my own packet
OSPF packet type error
OSPF version error
OSPF checksum error
OSPF area ID error
OSPF area mismatch
OSPF virtual link error
OSPF authentication type error
OSPF authentication key error
OSPF packet too small
OSPF packet size exceeds IP packet length
OSPF transmission error
OSPF interface is down, unavailable
OSPF neighbors are unknown
Network mask mismatch
Interval of HELLO packet is mismatched
Interval of dead neighbor packet is mismatched
Extern option of Hello packet is mismatched
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