3com MSR 20-20 참조 매뉴얼
2428
C
HAPTER
163: I
NFORMATION
C
ENTER
C
ONFIGURATION
C
OMMANDS
display logbuffer
Syntax
display logbuffer [ level severity | size buffersize ] * [ | { begin | exclude | include }
text ]
text ]
View
Any view
Parameter
level severity: Displays information of the log with specified level, where severity
represents information level, in the range 0 to 7.
represents information level, in the range 0 to 7.
size buffersize: Displays specified number of the latest log messages in the log
buffer, where buffersize represents the number of the latest log messages to be
displayed in the log buffer, in the range 1 to 1,024.
buffer, where buffersize represents the number of the latest log messages to be
displayed in the log buffer, in the range 1 to 1,024.
slot slotnum: Slot number.
|: The output log information filtered by a regular expression.
begin: Displays log information beginning with a specified character or string.
exclude: Displays log information that does not contain a specified character or
string.
string.
include: Displays log information that contains a specified character or string.
text: Regular expression.
Table 627 Severity description
Character Meaning Remarks
emergencies
0
The system is unavailable
alerts
1
Information that requires prompt reaction
critical 2
Critical
information
errors 3
Error
information
warnings 4
Warnings
notifications 5
Normal
errors
with important information
informational 6
Informational
information to be recorded
debugging 7
Debugging
information
Table 628 Meanings of characters in text
Character Meaning
Remarks
^
Starting sign, the string following it
appears only at the beginning of a
line.
appears only at the beginning of a
line.
Regular expression “^user” matches a
string begins with “user”, not
“Auser”.
string begins with “user”, not
“Auser”.
$
Ending sign, the string following it
appears only at the end of a line.
appears only at the end of a line.
Regular expression “user$” matches a
string ends with “user”, not “userA”.
string ends with “user”, not “userA”.
.
Full stop, a wildcard used in place of
any character, including blank
any character, including blank
None
*
Asterisk, used to match a
subexpression before it zero or
multiple times
subexpression before it zero or
multiple times
zo* can map to “z” and “zoo”.