Cisco Systems 3750E Set Manualboot yes Boot manual, Set Switchnumber, Set Switchpriority

Chapter 3 Assigning the Switch IP Address and Default Gateway

Modifying the Startup Configuration

Note For complete syntax and usage information for the boot loader commands and environment variables, see the command reference for this release.

Table 3-4describes the function of the most common environment variables.

Table 3-4	Environment Variables
Variable		Boot Loader Command	Cisco IOS Global Configuration Command
BOOT		set BOOT filesystem:/file-url ...	boot system {filesystem:/file-url ...switch
		A semicolon-separated list of executable files	{number all}}
		to try to load and execute when automatically	Note The switch {number all} keywords are
		booting. If the BOOT environment variable is	supported only on Catalyst 3750-E
		not set, the system attempts to load and execute	switches.
		the first executable image it can find by using a	Specifies the Cisco IOS image to load during the
		recursive, depth-first search through the flash
		file system. If the BOOT variable is set but the	next boot cycle and the stack members on which
		specified images cannot be loaded, the system	the image is loaded. This command changes the
		attempts to boot up the first bootable file that it	setting of the BOOT environment variable.
		can find in the flash file system.
MANUAL_BOOT		set MANUAL_BOOT yes	boot manual
		Decides whether the switch automatically or	Enables manually booting the switch during the
		manually boots.	next boot cycle and changes the setting of the
		Valid values are 1, yes, 0, and no. If it is set to	MANUAL_BOOT environment variable.
		no or 0, the boot loader attempts to	The next time you reboot the system, the switch is
		automatically boot up the system. If it is set to	in boot loader mode. To boot up the system, use
		anything else, you must manually boot up the	the boot flash:filesystem:/file-url boot loader
		switch from the boot loader mode.	command, and specify the name of the bootable
			image.
CONFIG_FILE		set CONFIG_FILE flash:/file-url	boot config-file flash:/file-url
		Changes the filename that Cisco IOS uses to	Specifies the filename that Cisco IOS uses to read
		read and write a nonvolatile copy of the system	and write a nonvolatile copy of the system
		configuration.	configuration. This command changes the
			CONFIG_FILE environment variable.
SWITCH_NUMBER		set SWITCH_NUMBER	switch current-stack-member-number renumber
		stack-member-number	new-stack-member-number
		Changes the member number of a stack	Changes the member number of a stack member.
		member.	Note This command is supported only on
			Catalyst 3750-E switches.
SWITCH_PRIORITY		set SWITCH_PRIORITY	switch stack-member-number priority
		stack-member-number	priority-number
		Changes the priority value of a stack member.	Changes the priority value of a stack member.
			Note This command is supported only on
			Catalyst 3750-E switches.

Catalyst 3750-E and 3560-E Switch Software Configuration Guide

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