90
Figure 30 Configuration loading process during startup
The device uses the following process to select the startup configuration file to load at startup:
1. If you access the Boot menus to select the Skip Current System Configuration option, the
device starts up with empty configuration. All parameters use their initial settings.
2. If you do not start the device with empty configuration, the following process applies:
a. If you have specified a main startup configuration file, and this configuration file is available,
the device starts up with this startup configuration file.
b. If you have not specified a main startup configuration file, or the specified main startup
configuration file is not available, the device searches for the backup startup configuration
file.
c. If you have not specified a backup startup configuration file, or the specified file is not
available, the device starts up with the factory defaults. If a parameter is not included in the
factory defaults, its initial setting is used.
Configuration file formats
Configuration files you specify for saving configuration must use the .cfg extension. A .cfg
configuration file is a human-readable text file. When you save configuration to a .cfg file, the device
automatically saves the configuration to an .mdb user-inaccessible binary file that has the same
name as the .cfg file. The device loads an .mdb file faster than loading a .cfg file.
Start
Enter Boot menus?
Boot ROM runs
Yes
Main
configuration file
available?
No
Yes
Software runs with
settings in main
file
End
Software runs with
factory defaults
Load main
configuration file
Load factory
defaults
Select "Skip
Current System
Configuration"
No
Yes
Software runs with
settings in backup
file
Load backup
configuration file
Backup
configuration file
available?
No
Software runs with
initial settings
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