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Dell PowerConnect 28xx Systems User Guide 41
– The current running configuration is automatically saved to local storage. If the system is switched
to unmanaged mode via the Managed Mode button, the system does not load the saved
configuration, but it is still maintained in the device’s local storage.
– From Managed mode, you can move to Unmanaged mode by pressing the Mode button on the
device, or you can move to Secure mode using the web interface (see "Entering Secure Mode" on
page 62).
The factory default values, used when the device is in Managed mode, include:
– IP Address — 192.168.2.1
– Netmask — 255.255.255.0
–Username — admin
– Permission — R/W privilege
–DHCP Client — Off
– Flow Control — On
–STP — Off
•
Unmanaged Mode
— In this mode:
– The device does not have an IP address.
–STP is disabled.
– All ports belong to a single VLAN.
– There is no web management interface.
– The CLI works in Debug mode only.
– Default configuration is used.
– Managed Mode LED is OFF.
– Return to Managed mode by pressing the Mode button on the device for up to 7 seconds.
•
Secure Mode
— In this mode:
– This mode can be entered only from the Web management.
– The device retains the existing configuration active, but it prevents users from making
configuration changes by removing the IP address of the device so that it becomes inaccessible for
configuration.
– No web management interface is available, and the CLI works in Debug mode only.
– Managed Mode LED is OFF.
– Return to Managed mode by pressing the Mode button on the device for up to 7 seconds.
All modes are maintained throughout power cycles. The Managed Mode LED shows the current mode.