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Installation Manual
H3C AR 18-3XE/18-21X Series Routers
Chapter 3 Starting and
Maintaining the Router
3-13
7)
Enter the debugging environment.
Caution:
Upgrade the entire Boot Rom program only when necessary and
under the guide of an engineer. When doing this, make sure that the
Boot Rom software version can work with the version of the adopted
application program.
8)
Enter the Boot Rom operation submenu.
The Boot Rom submenu is displayed:
Boot Rom Download Menu:
1: Download Boot Rom with XModem
2: Download Extended Segment of Boot Rom with XModem
3: Restore Extended Segment of Boot Rom from FLASH
4: Backup Extended Segment of Boot Rom to FLASH
5: Exit to Main Menu
Enter your choice(1-5):
The menu provides approaches to Boot Rom upgrade, backup,
and recovery. See sections 3.2.2 “Upgrading Programs through
XModem” and 3.2.3 “Backing Up and Restoring the Extended
Segment of the Boot Rom Program” for the procedures.