Switch Memory and Configuration

Using Primary and Secondary Flash Image Options

Booting from Primary Flash. This command always boots the switch from primary flash, and executes the complete set of subsystem self-tests.

Syntax: boot

For example, to boot the switch from primary flash with pending configuration changes in the running-config file:

Figure 6-13. Example of Boot Command (Default Primary Flash)

In the above example, typing either a y or n at the second prompt initiates the reboot operation. Also, if there are no pending configuration changes in the running-config file, then the reboot commences without the pause to display Boot from primary flash.

Booting from a Specified Flash. This version of the boot command gives you the option of specifying whether to reboot from primary or secondary flash, and is the required command for rebooting from secondary flash. This option also executes the complete set of subsystem self-tests.

Syntax: boot system flash < primary secondary >

For example, to reboot the switch from secondary flash when there are no pending configuration changes in the running-config file:

Figure 6-14. Example of Boot Command with Primary/Secondary Flash Option

In the above example, typing either a y or n at the second prompt initiates the reboot operation. Also, if there are no pending configuration changes in the running-config file, then the reboot commences without the pause to display Boot from secondary flash.

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