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3Com Switch 7750 Series
Command Reference Guide – Routing Protocol Chapter 3 OSPF Configuration Commands
3-17
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Parameter
process-id: OSPF Process ID, in the range of 1 to 65,535. If you do not specify a
process ID, this command applies to all current OSPF processes.
Description
Use the display ospf error command to display OSPF error information.
Example
# Display the OSPF error information.
<3Com> 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 packet type
0: OSPF: wrong version 0: OSPF: wrong checksum
0: OSPF: wrong area id 0: OSPF: area mismatch
0: OSPF: wrong virtual link 0: OSPF: wrong authentication type
0: OSPF: wrong authentication key 0: OSPF: too small packet
0: OSPF: packet size > ip length 0: OSPF: transmit error
0: OSPF: interface down 0: OSPF: unknown neighbor
0: HELLO: netmask mismatch 0: HELLO: hello timer mismatch
0: HELLO: dead timer mismatch 0: HELLO: extern option mismatch
0: HELLO: router id confusion 0: HELLO: virtual neighbor unknown
0: HELLO: NBMA neighbor unknown 0: DD: neighbor state low
0: DD: router id confusion 0: DD: extern option mismatch
0: DD: unknown LSA type 0: LS ACK: neighbor state low
0: LS ACK: wrong ack 0: LS ACK: duplicate ack
0: LS ACK: unknown LSA type 0: LS REQ: neighbor state low
0: LS REQ: empty request 0: LS REQ: wrong request
0: LS UPD: neighbor state low 0: LS UPD: newer self-generate LSA
0: LS UPD: LSA checksum wrong 0: LS UPD: received less recent LSA
0: LS UPD: unknown LSA type 0: OSPF routing: next hop not exist
0: DD: MTU option mismatch 0: ROUTETYPE: wrong type value
0: LS UPD: LSA length wrong
Table 3-5 Description on the fields of the display ospf error command
Field Description
IP: received my own packet Received my own packet
OSPF: wrong packet type OSPF packet type error