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Flash Disks and Flash Memory Cards in the GRP
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Implementing Additional Configuration and Maintenance Tasks
Step 5 Use the following series of commands to designate the file image.new (in the Flash memory card or
Flash disk in slot 0) as the default boot image:
Router# config t
Router(config)# no boot system
Router(config)# boot system flash slot0:image.new
Crtl-z
Router# copy running-config startup-config
Router# reload
When the system reloads, it will boot the file image.new from the Flash memory card or Flash disk in
slot 0.
Copying System Configuration Files Between GRP Memory and a Flash Memory Card or Flash Disk
Copying a configuration file to a Flash memory card or Flash disk in PCMCIA slot 0 or slot 1 might be
required if you do not have access to a TFTP server on which you can temporarily store your
configuration file. You can then copy the configuration file back to NVRAM at any time. You can copy
your startup configuration file (from NVRAM) or your running configuration file (from DRAM).
Use the procedures in the following sections to first copy the configuration file from either NVRAM or
DRAM to a Flash memory card or Flash disk, and then to copy the configuration file from a Flash
memory card or Flash disk back to NVRAM.
Note You cannot copy files directly into DRAM.
Copying Configuration File from GRP NVRAM to Flash Memory Card or Flash Disk
You can use the command copy startup-config [slot0: | slot1:]filename for the copy procedure, where
startup-config is the file’s source (NVRAM), and [slot0: | slot1:]filename is the file’s destination in
either of the Flash memory cards or Flash disks. Note that the environmental variable CONFIG_FILE
must be pointing (set) to NVRAM, which is the system default.
Note If using an ATA Flash disk, replace any commands that include a slot0: or slot1: command argument
with a disk0: or disk1: command argument.
Use the following procedure to copy a configuration file from GRP NVRAM to a Flash memory card or
Flash disk:
Step 1 Use the show boot command to display the current setting for the environmental variable
CONFIG_FILE as follows:
Router# show boot
(display text omitted)
CONFIG_FILE variable =
Current CONFIG_FILE variable =
(display text omitted)
The preceding example shows that the environmental variable CONFIG_FILE is set for NVRAM, by
default.