Disabling And Enabling Message Logging; Setting The Message Display Destination Device - Cisco Catalyst 2950 Software Configuration Manual
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- Configuration manual (710 pages) ,
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Configuring System Message Logging
Disabling and Enabling Message Logging
Message logging is enabled by default. It must be enabled to send messages to any destination other than
the console. When enabled, log messages are sent to a logging process, which logs messages to
designated locations asynchronously to the processes that generated the messages.
Beginning in privileged EXEC mode, follow these steps to disable message logging:
Command
Step 1
configure terminal
Step 2
no logging on
Step 3
end
Step 4
show running-config
or
show logging
Step 5
copy running-config startup-config
Disabling the logging process can slow down the switch because a process must wait until the messages
are written to the console before continuing. When the logging process is disabled, messages are
displayed on the console as soon as they are produced, often appearing in the middle of command output.
The logging synchronous global configuration command also affects the display of messages to the
console. When this command is enabled, messages appear only after you press Return. For more
information, see the
To re-enable message logging after it has been disabled, use the logging on global configuration
command.
Setting the Message Display Destination Device
If message logging is enabled, you can send messages to specific locations in addition to the console.
Beginning in privileged EXEC mode, use one or more of the following commands to specify the
locations that receive messages:
Command
Step 1
configure terminal
Step 2
logging buffered [size]
Catalyst 2950 Desktop Switch Software Configuration Guide
21-4
Purpose
Enter global configuration mode.
Disable message logging.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
"Synchronizing Log Messages" section on page
Purpose
Enter global configuration mode.
Log messages to an internal buffer. The default buffer size is 4096. The
range is 4096 to 4294967295 bytes.
Do not make the buffer size too large because the switch could run
Note
out of memory for other tasks. Use the show memory privileged
EXEC command to view the free processor memory on the switch;
however, this value is the maximum available, and the buffer size
should not be set to this amount.
Chapter 21
Configuring System Message Logging
21-6.
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