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Chapter 1 Introducing the ZyWALL
ZyWALL USG 300 User’s Guide
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1.3.2 Command-Line Interface (CLI)
The CLI allows you to use text-based commands to configure the ZyWALL. You can access it
using remote management (for example, SSH or Telnet) or via the console port. See the
Command Reference Guide for more information about the CLI.
1.3.3 Console Port
You can use the console port to manage the ZyWALL. You have to use CLI commands, which
are explained in the Command Reference Guide.
The default settings for the console port are as follows.
1.4 Starting and Stopping the ZyWALL
This section explains some of the ways to start and stop the ZyWALL. These are summarized
below.
Table 2 Managing the ZyWALL: Console Port
SETTING VALUE
Speed 115200 bps
Data Bits 8
Parity None
Stop Bit 1
Flow Control Off
Table 3 Starting and Stopping the ZyWALL
METHOD DESCRIPTION
Turning on the power button A cold start occurs when you turn on the power to the ZyWALL.
The ZyWALL powers up, checks the hardware, and starts the
system processes.
Rebooting the ZyWALL A warm start (without powering down and powering up again)
occurs when you use the Reboot button in the Reboot screen or
when you use the
reboot command. The ZyWALL writes all
cached data to disk, stops the system processes, and then does
a warm start.
Using the RESET button If you press the RESET button, the ZyWALL sets the
configuration to its default values and then reboots.
Using the
shutdown command The shutdown command writes all cached data to disk and
stops the system processes. It does not turn off the power.You
have to turn the power off and on manually to start the ZyWALL
again. You should use this command before you turn off the
ZyWALL.
Turning off the power button Power off occurs when you turn off the power to the ZyWALL.
The ZyWALL simply turns off. It does not stop the system
processes or write cached data to disk.