3Com 5012 Installation Guide - Page 50

50 CHAPTER 6: ROUTER MAINTENANCE Software This section describes how to maintain the Boot ROM image using V9.13 as an example. Maintenance Under v 3.0 Environment The entire Boot ROM image file in this section includes two segments: extended and basic. You can separately upgrade and back up the extended segment. Boot Menu Start the router; when the message "Press Ctrl-B to enter Boot Menu appears, press . The console screen displays: Please input bootrom password: Enter the correct password (void by default) to have the system enter Boot Menu: Boot Menu: 1: Download application program with XMODEM 2: Download application program with NET 3: Set application file type 4: Display applications in Flash 5: Clear application super password 6: Reset console authentication 7: Start up and ignore configuration 8: Enter debugging environment 9: Boot Rom Operation Menu a: Do not check the version of the software b: Exit and reboot Enter your choice(1-b): These options are described in sequence as follows: 1 Download the application image with XMODEM. Refer to the subsection "Upgrading Software Through XMODEM" in this section. 2 Download the application image through Ethernet. Refer to the subsection "Upgrading the Application Image Through Ethernet" in this section. If you select this option, the following Net Port Download Menu appears: Net Port Download Menu: 1: Change Net Parameter 2: Download From Net 3: Exit to Main Menu Enter your choice(1-3):1 3 Set the type of the application image file to change the type of a boot file or order in which the boot files are selected. The dual image function is available with the router. By default, the system defines and attempts to boot in order with three boot files: main, backup, and secure, provided they are available from Flash memory. If the router fails to boot with the secure boot file, it prompts the boot failure.