3Com 3031 Command Reference Manual page 572

572 C 6: R P
HAPTER OUTING
display ospf error
display ospf interface
ROTOCOL
Area 0.0.00.0:
Neighbors: 1
Spf: 54 Checksum Sum F020
rtr: 2 net: 0 sumasb: 0 sumnet: 1
Area 0.0.0.1:
Neighbors: 0
Spf: 19 Checksum Sum 14EAD
rtr: 1 net: 0sumasb: 1sumnet: 1
Routing Table:
Intra Area: 2 Inter Area: 0ASE: 1
Syntax
display ospf error
View
Any view
Parameter
None
Description
Using the display ospf error command, you can view the statistics of error
information which OSPF received.
Example
Display the statistics of error information which OSPF received .
<3Com> display ospf error
OSPF packet error statistics:
0: IP: received my own packet0: OSPF: bad packet type
0: OSPF: bad version0: OSPF: bad checksum
0: OSPF: bad area id0: OSPF: area mismatch
0: OSPF: bad virtual link0: OSPF: bad authentication type
0: OSPF: bad authentication key
0: OSPF: packet size > ip length 0: OSPF: transmit error
0: OSPF: interface down0: OSPF: unknown neighbor
0: HELLO: netmask mismatch0: HELLO: hello timer mismatch
0: HELLO: dead timer mismatch0: HELLO: extern option mismatch
0: HELLO: router id confusion0: HELLO: virtual neighbor unknown
0: HELLO: NBMA neighbor unknown 0: DD: neighbor state low
0: DD: router id confusion0: DD: extern option mismatch
0: DD: unknown LSA type 0: LS ACK: neighbor state low
0: LS ACK: bad ack0: LS ACK: duplicate ack
0: LS ACK: unknown LSA type 0: LS REQ: neighbor state low
0: LS REQ: empty request0: LS REQ: bad request
0: LS UPD: neighbor state low0: LS UPD: newer self-generate LSA
0: LS UPD: LSA checksum bad0: LS UPD:received less recent LSA
0: LS UPD: unknown LSA type
0: DD: MTU option mismatch
Syntax
display ospf interface [ interface-type port-number ]
Interfaces: 1
Interfaces: 1
0: OSPF: packet too small
0: OSPF routing: next hop not exist