H3C MSR 20/30/50 Series Routers User Manual
Chapter 5 Software Maintenance
Chapter 5 Software Maintenance
Note:
This manual uses H3C MSR 50 series routers as an example.
5.1 Introduction
5.1.1 Files
I. BootROM program file
The file is used for booting application at boot. A complete BootROM file includes two
segments: basic and extended.
II. Application program file
The router is available with Dual Image function. By default, the system defines and
attempts to boot in order with three boot files: main, backup, and secure, provided they
are available with CF card. If the router fails to boot with the secure boot file, it prompts
the boot failure. For more information about the boot files, refer to section
5.7
“
Maintaining Application Program and Configuration File
”.
The following table gives default names and types of boot files.
Table 5-1
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
5-1
