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Configuring System Message Logging
How to Configure System Message Logging
Default System Message Logging Configuration
How to Configure System Message Logging
Disabling 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.
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 appear on the console as soon as they
are produced, often appearing in the middle of command output.
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:
Feature Default Setting
System message logging to the console Enabled.
Console severity Debugging (and numerically lower levels).
Logging file configuration No filename specified.
Logging buffer size 4096 bytes.
Logging history size 1 message.
Time stamps Disabled.
Synchronous logging Disabled.
Logging server Disabled.
Syslog server IP address None configured.
Configuration change logger Disabled.
Server facility Local7.
Server severity Informational (and numerically lower levels).
Command Purpose
1. configure terminal Enters global configuration mode.
2. no logging console Disables message logging.
3. end Returns to privileged EXEC mode.
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