Switch Memory and Configuration
Multiple Configuration Files
Erasing a Startup-Config File
You can erase any of the startup-config files in the switch’s memory slots. In
some cases, erasing a file causes the switch to generate a new, default-
configuration file for the affected memory slot.
Syntax: erase < config < filename >> | startup-config >
config < filename >: This option erases the specified startup-
config file. If the specified file is not the currently active
startup-config file, then the file is simply deleted from the
memory slot it occupies. If the specified file is the currently
active startup-config file, then the switch creates a new,
default startup-config file with the same name as the erased
file, and boots using this file. (This new startup-config file
contains only the default configuration for the software
version used in the reboot.)
Note: Where a file is assigned to either the primary or the
secondary flash, but is not the currently active startup-
config file, erasing the file does not remove the flash
assignment from the memory slot for that file. Thus, if the
switch boots using a flash location that does not have an
assigned startup-config, then the switch creates a new,
default startup-config file and uses this file in the reboot.
(This new startup-config file contains only the default
configuration for the software version used in the reboot.)
Executing write memory after the reboot causes a switch-
generated filename of configx to appear in the show config
files display for the new file, where x corresponds to the
memory slot number.
startup-config: This option erases the currently active startup-
config file and reboots the switch from the currently active
flash memory location. The erased startup-config file is
replaced with a new startup-config file. The new file has
the same filename as the erased file, but contains only the
default configuration for the software version in the flash
location (primary or secondary) used for the reboot. For
example, suppose the last reboot was from primary flash
using a configuration file named minconfig. Executing
erase startup-config replaces the current content of minconfig
with a default configuration and reboots the switch from
primary flash.
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