Administrator Guide

If you do not want to enter the secured mode, do not save the running-conguration. Once saved, to disable the secured CLI mode, you
need to manually edit the startup-conguration le and reboot the system.
Log Messages in the Internal Buer
All error messages, except those beginning with %BOOTUP (Message), are logged in the internal buer.
Conguration Task List for System Log Management
There are two conguration tasks for system log management:
• Disable System Logging
• Send System Messages to a Syslog Server
• Change System Logging Settings
• Display the Logging Buer and the Logging Conguration
• Congure a UNIX Logging Facility Level
• Enable Timestamp on Syslog Messages
• Synchronize Log Messages
• Audit and Security Logs
• Conguring Logging Format
• Secure Connection to a Syslog Server
Disabling System Logging
By default, logging is enabled and log messages are sent to the logging buer, all terminal lines, the console, and the syslog servers.
To disable system logging, use the following commands.
• Disable all logging except on the console.
CONFIGURATION mode
no logging on
• Disable logging to the logging buer.
CONFIGURATION mode
no logging buffer
• Disable logging to terminal lines.
CONFIGURATION mode
no logging monitor
• Disable console logging.
CONFIGURATION mode
no logging console
Sending System Messages to a Syslog Server
To send system messages to a specied syslog server, use the following command. The following syslog standards are supported: RFC
5424 The SYSLOG Protocol, R.Gerhards and Adiscon GmbH, March 2009, obsoletes RFC 3164 and RFC 5426 Transmission of Syslog
Messages over UDP.
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