Boot System - Cisco Catalyst 2950 Command Reference Manual

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Chapter 2
Catalyst 2950 and 2955 Cisco IOS Commands

boot system

Use the boot system global configuration command to specify the software image to load during the next
power on cycle. Use the no form of this command to return to the default setting.
This command is available only on Catalyst 2950 Long-Reach Ethernet (LRE) switches.
Syntax Description
filesystem:
/file-url
Defaults
The switch attempts to automatically power on the system by using information in the BOOT
environment variable. If this variable is not set, the switch attempts to load and execute the first
executable image it can by performing a recursive, depth-first search throughout the flash file system. In
a depth-first search of a directory, each encountered subdirectory is completely searched before the
switch continues to search in the original directory.
Command Modes
Global configuration
Command History
Release
12.1(11)YJ
Usage Guidelines
Filenames and directory names are case sensitive.
If you are using the archive download-sw privileged EXEC command to maintain system images, you
do not ever need to use the boot system command. The boot system command is automatically
manipulated to load the downloaded image.
This command changes the setting of the BOOT environment variable. For more information, see
Appendix B, "Catalyst 2950 and 2955 Switch Boot Loader Commands."
Related Commands
Command
show boot
OL-10102-01
boot system filesystem:/file-url ...
no boot system
Alias for a flash file system. Use flash: for the system board flash device.
The path (directory) and name of a bootable image. Separate image names
with a semicolon.
Modification
This command was introduced.
Description
Displays the settings of the boot environment variables.
Catalyst 2950 and Catalyst 2955 Switch Command Reference
boot system
2-29

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