HP FlexNetwork 3600 v2 Series Command Reference Manual page 85

Default level
1: Monitor level
Parameters
process-id: OSPF process ID, in the range of 1 to 65535.
|: Filters command output by specifying a regular expression. For more information about regular
expressions, see Fundamentals Configuration Guide.
begin: Displays the first line that matches the specified regular expression and all lines that follow.
exclude: Displays all lines that do not match the specified regular expression.
include: Displays all lines that match the specified regular expression.
regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.
Description
Use display ospf error to display OSPF error information.
If no process is specified, the OSPF error information of all OSPF processes is displayed.
Examples
# Display OSPF error information.
<Sysname> display ospf error
0 : OSPF Router ID confusion
0 : OSPF bad version
0 : OSPF bad area ID
0 : OSPF bad virtual link
0 : OSPF bad authentication key
0 : OSPF Neighbor state low
0 : OSPF interface down
0 : HELLO: Netmask mismatch
0 : HELLO: Dead timer mismatch
0 : HELLO: Neighbor unknown
0 : DD: Unknown LSA type
0 : LS ACK: Bad ack
0 : LS REQ: Empty request
0 : LS UPD: LSA checksum bad
0 : LS UPD: Unknown LSA type
Table 16 Command output
Field
OSPF Router ID confusion
OSPF bad packet
OSPF bad version
OSPF bad checksum
OSPF bad area ID
OSPF drop on unnumber interface
OSPF Process 1 with Router ID 192.168.80.100
OSPF Packet Error Statistics
0 : OSPF bad packet
0 : OSPF bad checksum
0 : OSPF drop on unnumber interface
0 : OSPF bad authentication type
0 : OSPF packet too small
0 : OSPF transmit error
0 : OSPF unknown neighbor
0 : HELLO: Hello timer mismatch
0 : HELLO: Extern option mismatch
0 : DD: MTU option mismatch
0 : DD: Extern option mismatch
0 : LS ACK: Unknown LSA type
0 : LS REQ: Bad request
0 : LS UPD: Received less recent LSA
Description
Packets with duplicate route ID
Packets illegal
Packets with wrong version
Packets with wrong checksum
Packets with invalid area ID
Packets dropped on the unnumbered interface
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