Cisco Catalyst 2975 Software Configuration Manual page 96
Ios release 12.2(55)se
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Also See for Catalyst 2975:
- Hardware installation manual (62 pages) ,
- Brochure (19 pages) ,
- Getting started manual (17 pages)
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Modifying the Startup Configuration
Table 3-4
Table 3-4
Environment Variables
Variable
Boot Loader Command
BOOT
set BOOT filesystem:/file-url ...
A semicolon-separated list of executable files to
try to load and execute when automatically
booting. If the BOOT environment variable is not
set, the system attempts to load and execute the
first executable image it can find by using a
recursive, depth-first search through the flash file
system. If the BOOT variable is set but the
specified images cannot be loaded, the system
attempts to boot the first bootable file that it can
find in the flash file system.
MANUAL_BOOT
set MANUAL_BOOT yes
Decides whether the switch automatically or
manually boots up.
Valid values are 1, yes, 0, and no. If it is set to no
or 0, the boot loader attempts to automatically
boot up the system. If it is set to anything else,
you must manually boot up the switch from the
boot loader mode.
CONFIG_FILE
set CONFIG_FILE flash:/file-url
Changes the filename that Cisco IOS uses to read
and write a nonvolatile copy of the system
configuration.
SWITCH_NUMBER
set SWITCH_NUMBER stack-member-number
Changes the member number of a stack member.
SWITCH_PRIORITY set SWITCH_PRIORITY
stack-member-number
Changes the priority value of a stack member.
Catalyst 2975 Switch Software Configuration Guide
3-22
describes the function of the most common environment variables.
Chapter 3
Assigning the Switch IP Address and Default Gateway
Cisco IOS Global Configuration Command
boot system {filesystem:/file-url ...| switch
{number | all}}
Specifies the Cisco IOS image to load during the
next boot cycle and the stack members on which
the image is loaded. This command changes the
setting of the BOOT environment variable.
boot manual
Enables manually booting up the switch during
the next boot cycle and changes the setting of the
MANUAL_BOOT environment variable.
The next time you reboot the system, the switch is
in boot loader mode. To boot up the system, use
the boot flash:filesystem:/file-url boot loader
command, and specify the name of the bootable
image.
boot config-file flash:/file-url
Specifies the filename that Cisco IOS uses to read
and write a nonvolatile copy of the system
configuration. This command changes the
CONFIG_FILE environment variable.
switch current-stack-member-number renumber
new-stack-member-number
Changes the member number of a stack member.
switch stack-member-number priority
priority-number
Changes the priority value of a stack member.
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