I
NITIAL
C
ONFIGURATION
2-15
In the system flash memory, one file of each type must be set as the
start-up file. During a system boot, the diagnostic and operation code files
set as the start-up file are run, and then the start-up configuration file is
loaded.
Note that configuration files should be downloaded using a file name that
reflects the contents or usage of the file settings. If you download directly
to the running-config, the system will reboot, and the settings will have to
be copied from the running-config to a permane nt file.
Saving Configuration Settings
Configuration commands only modify the running configuration file and
are not saved when the switch is rebooted. To save all your configuration
changes in nonvolatile storage, you must copy the running configuration
file to the start-up configuration file using the “copy” command.
New startup configuration files must have a name specified. File names on
the switch are case-sensitive, can be from 1 to 31 characters, must not
contain slashes (\or /), and the leading letter of the file name must not be
a period (.). (Valid characters: A-Z, a-z, 0-9, “.”, “-”, “_”)
There can be more than one user-defined configuration file saved in the
switch’s flash memory, but only one is designated as the “startup” file that
is loaded when the switch boots. The copy running-config
startup-config command always sets the new file as the startup file. To
select a previously saved configuration file, use the boot system
config:<filename> command.
The maximum number of saved configuration files depends on available
flash memory, with each configuration file normally requiring less than 20
kbytes. The amount of available flash memory can be checked by using the
dir command.