3Com 9100 manual Upgrading

Upgrading and Accessing BootROM 133

	To use the configuration, use the following command:
	use configuration [primary secondary]
	The configuration takes effect on the next reboot.
	If the switch is rebooted while in the middle of a configuration save, the
	switch boots to factory default settings. The configuration that is not in
	the process of being saved is unaffected.
Returning to Factory	To return the switch configuration to factory defaults, use the following
Defaults	command:
	unconfig switch
	This command resets the entire configuration, with the exception of user
	accounts and passwords that have been configured, and the date and
	time.
	To reset all parameters except the date and time, use the following
	command:
	unconfig switch all
Upgrading and	The BootROM of the switch initializes certain important switch variables
Accessing BootROM	during the boot process. If necessary, BootROM can be upgraded, after
	the switch has booted, using TFTP. In the event the switch does not boot
	properly, some boot option functions can be accessed through a special
	BootROM menu.
Upgrading BootROM	Upgrading BootROM is done using TFTP (from the CLI), after the switch
	has booted. Upgrade the BootROM only when asked to do so by a 3Com
	technical representative. To upgrade the BootROM, use the following
	command:
	download bootrom <ip_address>
Accessing the	Interaction with the BootROM menu is only required under special
BootROM menu	circumstances, and should be done only under the direction of 3Com
	Technical Support. The necessity of using these functions implies a
	non-standard problem which requires the assistance of 3Com Technical
	Support.