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Chapter 2
Catalyst 3560 Switch Cisco IOS Commands
Usage Guidelines
The log file is stored in ASCII text format in an internal buffer on the switch. You can access logged
system messages by using the switch command-line interface (CLI) or by saving them to a properly
configured syslog server. If the switch fails, the log is lost unless you had previously saved it to flash
memory by using the logging file flash:filename global configuration command.
After saving the log to flash memory by using the logging file flash:filename global configuration
command, you can use the more flash:filename privileged EXEC command to display its contents.
The command rejects the minimum file size if it is greater than the maximum file size minus 1024; the
minimum file size then becomes the maximum file size minus 1024.
Specifying a level causes messages at that level and numerically lower levels to be displayed.
Examples
This example shows how to save informational log messages to a file in flash memory:
Switch(config)# logging file flash:logfile informational
You can verify your setting by entering the show running-config privileged EXEC command.
Related Commands
Command
show running-config
78-16405-05
Description
Displays the running configuration on the switch. For syntax
information, select Cisco IOS Configuration Fundamentals Command
Reference, Release 12.2 > File Management Commands > Configuration
File Management Commands.
Catalyst 3560 Switch Command Reference
logging file
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