Setup and Install

Installation Manual
H3C AR 18-2X Series Routers
Chapter 3 Starting and Maintaining
the Route
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II. Upgrading the Boot Rom program
Step 1: Enter the Boot Menu, and then select <7> to enter the
Boot Rom operation sub-menu.
Step 2: Enter <1> in the Boot Rom operation sub-menu to
upgrade the Boot Rom program using XModem. Several speed
options are available for you. The subsequent steps are the same as
those described in “
I. Upgrading an application program” of this
section.
Caution:
You cannot restore the Boot Rom program on site if you fail to upgrade
the entire Boot Rom program. Therefore, you must not upgrade the
entire Boot Rom program unless necessary and with help of
engineers.
III. Upgrading the extended segment of the Boot ROM
program
Step 1: Enter the Boot Menu, and then select <7> to enter the
Boot Rom operation sub-menu.