Managing System Files
Cisco Small Business 300 Series Managed Switch Administration Guide 30
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To preserve any changes made to the switch, you must save the Running
Configuration to the Startup Configuration, or another file type if you do not
want the switch to reboot with this configuration. If you have saved the
Running Configuration to the Startup Configuration, when the switch is
rebooted, it recreates a Running Configuration that includes the changes
you have made since the last time the Running Configuration was saved to
the Startup Configuration.
• Startup Configuration—The parameter values that were saved by you by
copying another configuration (usually the Running Configuration) to the
Startup Configuration.
The Startup Configuration is retained in Flash and is preserved any time the
switch is rebooted. When it is rebooted, the Startup Configuration is copied
to RAM and identified as the Running Configuration.
• Backup Configuration—A manual copy of the parameter definitions for
protection against system shutdown or for the maintenance of a specific
operating state. You can copy the Mirror Configuration, Startup
Configuration, or Running Configuration to a Backup Configuration file. The
Backup Configuration exists in Flash and is preserved if the device is
rebooted.
• Mirror Configuration—A copy of the Startup Configuration, created by the
switch after:
- The switch has been operating continuously for 24 hours.
- No configuration changes have been made to the Running Configuration
in the previous 24 hours.
- The Startup Configuration is identical to the Running configuration.
Only the system can copy the Startup Configuration to the Mirror
Configuration. However, you can copy from the Mirror Configuration to other
file types or to another device.
If the switch is rebooted, the Mirror Configuration is reset to the factory
default parameters. In all other aspects, the Mirror Configuration behaves
the same as a Backup Configuration, providing a copy of the parameter
values that is preserved if the switch is rebooted.
• Firmware—The operating system. More commonly referred to as the
image.
• Boot Code—Controls the basic system startup and launches the firmware
image.
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