Reference Guide

Log Messages in the Internal Buffer
All error messages, except those beginning with %BOOTUP (Message), are logged in the internal buffer.
Configuration Task List for System Log Management
There are two configuration tasks for system log management:
● Disable System Logging
●
Send System Messages to a Syslog Server
● Send System Messages to a Syslog Server
● Change System Logging Settings
● Display the Logging Buffer and the Logging Configuration
● Configure a UNIX Logging Facility Level
● Enable Timestamp on Syslog Messages
● Synchronize Log Messages
● Audit and Security Logs
●
Configuring Logging Format
● Secure Connection to a Syslog Server
Disabling System Logging
By default, logging is enabled and log messages are sent to the logging buffer, 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 buffer.
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 specified 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.
● Specify the server to which you want to send system messages. You can configure up to eight syslog servers.
CONFIGURATION mode
logging {ip-address | ipv6-address | hostname} {{udp {port}} | {tcp {port}}}
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Switch Management