3Com Switch 7750 Configuration Guide

872 CHAPTER 80: DEVICE MANAGEMENT
<SW7750> boot boot-loader primary switch.app
The specified file will be booted next time on unit 1!
<SW7750> display boot-loader
The primary app to boot of board 0 at the next time is: flash:/switch.app
The backup app to boot of board 0 at the next time is: flash:/old.app
The app to boot of board 0 at this time is: flash:/old.app
<SW7750> reboot