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Dell PowerConnect 28xx Systems User Guide 43
• Power cycle returns the switch to the same state that existed prior to the power cycle, and
configuration is preserved.
• The user can only save or restore configurations while in Managed mode. There is no management
interface available in Secure or Unmanaged mode to enable the user to modify, save or restore
configurations.
• Since the device can only enter Secure mode via an option from the web interface, it can only
transition into Secure mode from Managed mode. After the system is in Secure mode, it retains its last
running configuration, but does not have a management IP address (cannot be managed from the web
interface).
Transition to managed mode on PC2816/24/48 devices
• A transition from Unmanaged or Secure mode to Managed mode via the use of the Managed Mode
button results in the switch automatically rebooting and returning to Managed mode while running
the saved configuration (if no configuration exists, then the default configuration is used).
Transition to managed mode on PC2808 devices
• When returning to Managed mode from either Unmanaged or Secure mode, the Restore Saved
Configuration page appears. This page can be used to retrieve a saved configuration. You can also
change the device IP address using the following page:
Figure 4-3. Restore Saved Configuration
–
Local Configuration
— No saved configuration is loaded.
–
Server IP Address/File Name
— Loads a previously saved configuration.