
Chapter 4 System Startup and Basic Configuration
Using RP Flash Memory Cards
4-52
Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Booting from Flash Memory
To boot from flash memory, the boot field in the software configuration register
(bits 3 through 0) must be set to a value between 2 and 15 (see the
“Configuring
the Software Configuration Register” section on page 4-31
).
Use the following command to enable booting from flash memory.
boot system flash
device:filename
Where:
•
boot system flash
device:
is
slot0:
, or
slot1:
•
filename
is the name of the configuration file
Milo#
configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Milo(config)#
boot system flash slot0:myfile1
Copying Image Files to or From Flash Memory
This section describes how to copy image files to the flash memory SIMM on the
route processor, or to a flash memory card in slot 0 or slot 1.
Caution
You
cannot
copy a new Cisco IOS software image into the onboard flash memory
SIMM (also referred to as
bootflash
) while the system is running from that
onboard flash memory.