Chapter 1 Command Line Interface
ZyWALL Series CLI Reference Guide
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• ZyWALL ATP (Advanced Threat Protection)
• ZyWALL VPN
If you have problems with your Zyxel Device, customer support may request that you issue some of these
commands to assist them in troubleshooting.
Use of undocumented commands or misconfiguration can damage the
Zyxel Device and possibly render it unusable.
1.1.1 The Configuration File
When you configure the Zyxel Device using either the CLI (Command Line Interface) or the web
configurator, the settings are saved as a series of commands in a configuration file on the Zyxel Device.
You can store more than one configuration file on the Zyxel Device. However, only one configuration file
is used at a time.
You can perform the following with a configuration file:
• Back up Zyxel Device configuration once the Zyxel Device is set up to work in your network.
• Restore Zyxel Device configuration.
• Save and edit a configuration file and upload it to multiple Zyxel Devices (of the same model) in your
network to have the same settings.
Note: You may also edit a configuration file using a text editor.
1.2 Accessing the CLI
You can access the CLI using a terminal emulation program on a computer connected to the console
port, from the web configurator or access the Zyxel Device using Telnet or SSH (Secure SHell).
Note: The Zyxel Device might force you to log out of your session if re-authentication time,
lease time, or idle timeout is reached. See Chapter 49 on page 440 for more
information about these settings.
• ATP100
• ATP100W
• ATP200
• ATP500
• ATP700
• ATP800
• VPN50
• VPN100
• VPN300
• VPN1000