H3C S7500 Series Ethernet Switches Command Manual

Command Manual – Infomation Center
H3C S7500 Series Ethernet Switches Chapter 1
Information Center Commands
1-4
Severity Value Description
notifications 6 Information that needs to be noticed
informational 7 Normal prompting information
debugging 8 Debugging information
size buffersize: Specifies the size of the log buffer (number of messages the log buffer
holds) you want to display. The buffersize argument ranges from 1 to 1,024 and
defaults to 512.
|: Specifies to filter output log information with a regular expression.
begin: Specifies to display the log information beginning with the specified characters.
exclude: Specifies to display the log information excluding the specified characters.
include: Specifies to display the log information including the specified characters.
regular-expression: Regular expression.
Table 1-3 Special characters in regular expression.
Special characters Description Usage restrictions
_
The underscore, functions
like a wildcard, and can
represent the following
characters:
^ –– Caret
$ –– Dollar sign
| –– Alternation sign
[ –– Left bracket
, –– Comma
( ) –– Left/right parenthesis
{ } –– Left/right brace
] –– Right bracket
Space
Start/stop character
If the first character of a
regular expression is not
‘_’, the number of ‘_’ used
in the expression is not
restricted, but is restricted
by the length of a
command line.
If the first character is ‘_’,
the number of
consecutive “_” should be
less than 5;
If the ‘_’ characters are
not consecutive, the
output information will be
filtered by the first group
of ‘_’, and the remaining
‘_’ characters will not be
processed.
(
The left parenthesis, the
push-onto-the-stack flag in
programming
You are recommended
not to use this character to
establish a regular
expression.
Description
Use the display logbuffer command to display the state of logbuffer and the
information recorded in logbuffer.