3Com Switch 7754, Configuration Manual

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828 C
HAPTER
75: I
NFORMATION
C
ENTER
Step 2: Edit the file “/etc/syslog.conf” as the superuser (root user) to add the
following selector/action pair.
# 3Com configuration messages
local7.info /var/log/3Com/information
n
Note the following items when you edit file “/etc/syslog.conf”.
■
A note must start in a new line following a “#” sign.
■
In each pair, a tab should be used as a separator instead of a space.
■
No space is permitted at the end of the file name.
■
The facility and received log information severity specified in file
“/etc/syslog.conf” must be the same with those corresponding parameters
configured in commands
info-center loghost and info-center source .
Otherwise, log information may not be output to the log host normally.
Step 3: After the log file “information” is created and the file “/etc/syslog.conf” is
modified, run the following commands to view the process ID of the system
daemon “syslogd”, stop the process, and then restart the daemon “syslogd” in
the background with the “-r” option.
# ps -ae | grep syslogd
147
# kill -9 147
# syslogd -r &
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In case of Linux log host, the daemon “syslogd” must be started with the “-r”
option.
After all the above operations, the switch can make records in the corresponding
log file.
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Through combined configuration of the device name (facility), information severity
level threshold (severity), module name (filter) and file “syslog.conf”, you can sort
information precisely for filtering.
Log Output to the
Console
Network requirements
The switch sends the following information to the console: the log information of
the two modules ARP and IP, with severity higher than “informational”.
Network diagram
Figure 212 Network diagram for log output to the console
Configuration procedure
# Enable the information center.
<SW7750> system-view
[SW7750] info-center enable
PC
Console
Switch