Making The Flash Memory Card Image Bootable; Enabling Booting From The Flash Memory Card - Cisco 7000 Hardware Installation And Maintenance

Using the Flash Memory Card

Making the Flash Memory Card Image Bootable

Use the following series of commands to make the image (the file named new.image) bootable. Note
that, since the configuration register must be set to 0x2102, the config-register command is part of
the sequence.
When the system reloads it will boot the image new.image from the Flash memory card in Slot 0.
Note

"Enabling Booting from the Flash Memory Card."

Enabling Booting from the Flash Memory Card
To enable booting from Flash memory, set configuration register bits 3, 2, 1, and 0 to a value between
2 and 15 in conjunction with the boot system flash [filename] configuration command.
Following are definitions of the various Flash memory-related boot commands:
boot system flash—Boots the first file in onboard Flash memory
boot system flash herfile—Boots the file named "herfile" on onboard Flash memory
boot system flash slot0:—Boots the first file on Flash memory card in the PCMCIA slot
boot system flash flash:hisfile —Boots the file named "hisfile" on onboard Flash memory
boot system flash slot0:myfile —Boots the file named "myfile" on the Flash memory card in the
PCMCIA slot
To enter configuration mode and specify a Flash memory filename in the PCMCIA slot from which
to boot, enter the configure terminal command at the enable prompt, as follows:
To disable Break and enable the boot system flash slot0: command, enter the config-register
command with the value shown in the following example:
To save the new configuration to memory, use the copy running-config startup-config command
as follows:
3-148 Cisco 700 Hardware Installation and Mainteneance
Router# config terminal
Router(config)# no boot system
Router(config)# boot system flash slot0:new.image
Router(config)# config-register 0x2102
Router(config)# ^z
Router# copy running-config startup-config
Router# reload
For complete details about the boot system flash command, refer to the next section,
Router# configure terminal
Enter configuration commands, one per line. End with CTRL-Z.
Router(config)# boot system flash slot0:myfile
Router(config)# config-reg 0x2102
To exit configuration mode, enter Cntl-Z as follows:
Router(config)# ^Z
Router#
Router# copy running-config startup-config