3Com 5500G-EI Command Reference Manual page 191

0: OSPF: packet size > ip length 0:OSPF: transmit error
0: OSPF: interface down
0: HELLO: netmask mismatch
0: HELLO: dead timer mismatch
0: HELLO: router id confusion
0: HELLO: NBMA neighbor unknown
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 29 Description of information generated by the
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
HELLO: router id confusion
HELLO: virtual neighbor unknown
HELLO: NBMA neighbor unknown
DD: neighbor state low
DD: unknown LSA type
LS ACK: neighbor state low
LS ACK: wrong ack
LS ACK: duplicate ack
LS ACK: unknown LSA type
LS REQ: neighbor state low
OSPF Configuration Commands
0:OSPF: unknown neighbor
0:HELLO: hello timer mismatch
0:HELLO: extern option mismatch
0:HELLO: virtual neighbor unknown
0:DD: neighbor state low
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
display ospf error
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
Hello packet: Router ID confusion
Hello packet: unknown virtual neighbor
Hello packet: unknown NBMA neighbor
Database description (DD) packet: asynchronous
neighbor state
DD packet: unknown LSA type
Link state acknowledgment (LS ACK) packet:
asynchronous neighbor state
Link state acknowledgment packet: ack error
Link state acknowledgment packet: ack duplication
Link state acknowledgment packet: unknown LSA type
Link state request (LS REQ) packet
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command