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Software Maintenance under v 3.11 Environment 63
Step 2: In Boot ROM Download Menu, select <4> to copy the current
extended segment to Flash memory.
Backup Extended Segment, are you sure?[Y/N]
Enter <Y>. For a successful backup, the console screen displays:
Writing to FLASH.Please wait...####
Backuping Boot ROM program to FLASH successed!
Step 3: When Boot ROM Download Menu appears again, select <5> to
and reboot the router.
2 Restore the extended segment of the Boot ROM image from Flash
memory
In case faults occur to the extended segment or the upgrade is done
inadvertent, take these steps to restore the extended segment of the
Boot ROM image from Flash memory to the Boot ROM:
Step 1: Enter Boot Menu, select <9> to enter Boot ROM Download
Menu.
Step 2: In Boot ROM Download Menu, select <3> to restore the extended
segment from Flash memory.
Restore Extended Segment, are you sure?[Y/N]
Enter <Y>. The system starts restoring and if successful displays:
Writing to Boot ROM.Please wait...######
Restoring Boot ROM program successed!
Step 3: When Boot ROM Download Menu appears again, select <5> to
exit and reboot the router.
Upgrading the application image through Ethernet
Upgrading the application image with NET is to download using an
Ethernet interface. In this approach, the router is TFTP or FTP Client and
needs connecting to TFTP or FTP Server using a fixed Ethernet interface.