Cisco MDS 9000 Family System Messages Reference (OL-15956-01, April 20078)

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Cisco MDS 9000 Family System Messages Reference
OL-15956-01
Chapter 1 Introduction to System Messages for the Cisco MDS 9000 Family
Capturing System Messages and History
Fabric Manager Configuration Guide). Only system messages that correspond to the configured logging
level or higher severity messages are logged. As an example, if you set the logging level to 3 (error), then
you get error, critical, alerts, and emergency system messages, but you do not get warning, notification,
informational, or debugging system messages.
Saving the System Messages Log
The logging logfile global configuration command enables copying of system messages to an internal
log file and optionally sets the size of the file. To display the messages that are logged in the file, use the
show logging EXEC command. The first message displayed is the oldest message in the buffer. To clear
the current contents of the buffer, use the clear debug-logfile privileged EXEC command.
Logging System Messages to a Syslog Server
The logging host-name command identifies a syslog server host to receive logging messages. The
host-name argument is the name or Internet address of the host. By issuing this command more than
once, you build a list of syslog servers that receive logging messages. The no logging host-name
command deletes the syslog server with the specified address from the list of syslog servers.