Users Guide

Dell PowerConnect 55xx Systems User Guide 331
device. This can be done manually in the Copy Files page or see "Auto-
Update/Configuration Feature" on page 331 for more information about
how to perform this automatically.
•
Image Files —Files with extension .ros . System file images are saved in two
flash files called Image 1 and Image 2. The active image
contains the
active copy, while the other image contains a backup copy. The device
boots and runs from the active
image. If the active image is corrupted, the
system automatically boots from the non-active image. This is a safety
feature for faults occurring during the software upgrade process.
Downloading/Uploading System Files
System files can be manually loaded from (downloaded) or copied to
(uploaded) a TFTP server or a USB drive. This can be done in one of the
following ways:
• Manually —System files can be downloaded using the File Download page
and uploaded using the
File Upload page.
•
Automatically (Auto Update/Configuration) —System files can be
downloaded automatically, as follows:
–
Auto-Configuration —If the Auto-Configure feature is enabled (in the
Auto Update of Configuration/Image File page), the Startup
Configuration file (in various conditions described below) might be
automatically updated after reboot.
–
Auto-Update —If the Firmware Auto-Update feature is enabled in the
Auto Update of Configuration/Image File page, the image file is might
be automatically updated (in various conditions described below).
Auto-Update/Configuration Feature
The Auto-Update/Configuration feature enables initial configuration of the
device and upgrading of the firmware through an automatic process, which
enables the administrator to ensure that the configuration/firmware of all the
devices in the network is up-to-date.