Chapter 4 The Web Configurator
GS1920 Series User’s Guide
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4.5 Switch Lockout
You could block yourself (and all others) from managing the Switch if you do one of the following:
1 Delete the management VLAN (default is VLAN 1).
2 Delete all port-based VLANs with the CPU port as a member. The “CPU port” is the management
port of the Switch.
3 Filter all traffic to the CPU port.
4 Disable all ports.
5 Misconfigure the text configuration file.
6 Forget the password and/or IP address.
7 Prevent all services from accessing the Switch.
8 Change a service port number but forget it.
Note: Be careful not to lock yourself and others out of the Switch.
4.6 Resetting the Switch
If you lock yourself (and others) from the Switch or forget the administrator password, you will
need to reload the factory-default configuration file or reset the Switch back to the factory defaults.
4.6.1 Reload the Configuration File
Uploading the factory-default configuration file replaces the current configuration file with the
factory-default configuration file. This means that you will lose all previous configurations and the
speed of the console port will be reset to the default of 9600 bps with 8 data bits, no parity, one
stop bit and flow control set to none. The password will also be reset to “1234” and the IP address
to 192.168.1.1.
To upload the configuration file, do the following:
1 Connect to the console port using a computer with terminal emulation software.
2 Disconnect and reconnect the Switch’s power to begin a session. When you reconnect the Switch’s
power, you will see the initial screen.
3 When you see the message “Press any key to enter Debug Mode within 3 seconds...” press
any key to enter debug mode.
4 Type atlc after the “Enter Debug Mode” message.
5 Wait for the “Starting XMODEM upload” message before activating XMODEM upload on your
terminal.
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