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Catalyst 3560 Switch Command Reference
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Chapter 2 Catalyst 3560 Switch Cisco IOS Commands
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.
boot helper filesystem:/file-url ...
no boot helper
Syntax Description
Defaults No helper files are loaded.
Command Modes Global configuration
Command History
Usage Guidelines This variable is used only for internal development and testing.
Filenames and directory names are case sensitive.
This command changes the setting of the HELPER environment variable. For more information, see
Appendix A, “Catalyst 3560 Switch Boot Loader Commands.”
Related Commands
filesystem: Alias for a flash file system. Use flash: for the system board flash device.
/file-url The path (directory) and a list of loadable files to dynamically load during
loader initialization. Separate each image name with a semicolon.
Release Modification
12.1(19)EA1 This command was introduced.
Command Description
show boot Displays the settings of the boot environment variables.