Setup and Install
Installation Manual
H3C AR 18-2X Series Routers
Chapter 3 Starting and Maintaining
the Route
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2) Download an application through Ethernet. After you select
this option, the screen displays this menu:
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 file used at startup
The dual image function is available with the router when it is
installed with a 16 MB or larger Flash. By default, the system defines
and attempts to boot in order with three boot files main, backup, and
secure, if they have been loaded to Flash. You can select this option to
change the order or startup file. If it fails to boot with the secure boot
file, it prompts boot failure.
The following table gives default names and types of the boot
files.
Table 3-1 Default names and types of the boot files
Boot file File name File type
Main boot file main.bin M
Backup boot file backup.bin B
Secure boot file secure.bin S
Note that:
z The application images for system boot can be type M, B, or
S, but not type N/A (not type M, B, or S). You can store them
in Flash memory, but only one for each. For example, if an










