Boot Helper - Cisco Catalyst 3550 Command Reference Manual

boot helper

boot helper
Use the boot helper global configuration command to dynamically load files during boot loader
initialization to extend or patch the functionality of the boot loader. Use the no form of this command
to return to the default.
Syntax Description
filesystem:
/file-url
Defaults No helper files are loaded.
Command Modes
Global configuration
Command History Release
12.1(4)EA1
Usage Guidelines
Filenames and directory names are case sensitive.
This command changes the setting of the HELPER environment variable. For more information, see
Appendix A, "Boot Loader Commands."
Related Commands Command
show boot
Catalyst 3550 Multilayer Switch Command Reference
2-22
boot helper filesystem:/file-url ...
no boot helper
Alias for a Flash file system. Use flash: for the system board Flash device.
The path (directory) and a list of loadable files to dynamically load during
loader initialization. Separate each image name with a semicolon.
Modification
This command was first introduced.
Description
Displays the settings of the boot environment variables.
Chapter 2 Cisco IOS Commands
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