3com 3CDSG10PWR User Guide

The configuration file structure consists of the following configuration 
files:

■

Startup Configuration File — Contains the commands required to 
reconfigure the device to the same settings as when the device is 
powered down or rebooted. The Startup file is created by copying the 
configuration commands from the Running Configuration file or by 
downloading the configuration file from via TFTP or HTTP. 

■

Running Configuration File — Contains all configuration file 
commands, as well as all commands entered during the current 
session. After the device is powered down or rebooted, all commands 
stored in the Running Configuration file are lost. During the startup 
process, all commands in the Startup file are copied to the Running 
Configuration File and applied to the device. During the session, all 
new commands entered are added to the commands existing in the 
Running Configuration file. Commands are not overwritten. To 
update the Startup file, before powering down the device, the 
Running Configuration file must be copied to the Startup 
Configuration file by clicking on the Save Configuration button. The 
next time the device is restarted, the commands are copied back into 
the Running Configuration file from the Startup Configuration file.

■

Image files — Software upgrades are used when a new version file is 
downloaded. The file is checked for the right format, and that it is 
complete. After a successful download, the new version is marked, 
and is used after the device is reset.

Backup and restore of the configuration files are always done from and to 
the Startup Config file.