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Installation Manual
H3C AR 18-3XE/18-21X Series Routers
Chapter 3 Starting and
Maintaining the Router
3-14
9) Ignore the software version of the extended Boot Rom
program segment for backward compatibility. If you fail to
upgrade software because the system considers that you
are using an “invalid version” even when the correct version
is used, you can use this option to ignore version check. This
is a one-time operation, however; the router checks version
again at reboot.
10) Exit and reboot.
3.2.2 Upgrading Programs through XModem
When you upgrade software through XModem, you can use the
console port without having to set up another configuration
environment.
I. Upgrading an application program
Follow these steps to upgrade an application program:
1) Enter the Boot menu and press <1> to download an
application program using XModem. The following
download speeds are available:
Downloading application program from serial ...
Please choose your download speed:
1: 9600 bps
2: 19200 bps
3: 38400 bps
4: 57600 bps
5: 115200 bps
6: Exit and reboot
Enter your choice(1-6):