Chapter 1 Introducing the ZyWALL

Always use Maintenance > Shutdown > Shutdown or the shutdown command before you turn off the ZyWALL or remove the power. Not doing so can cause the firmware to become corrupt.

Table 3 Starting and Stopping the ZyWALL

METHOD

DESCRIPTION

Turning on the

A cold start occurs when you turn on the power to the ZyWALL. The

power

ZyWALL powers up, checks the hardware, and starts the system

 

processes.

 

 

Rebooting the

A warm start (without powering down and powering up again)

ZyWALL

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 the local storage, stops the system processes, and then does

 

a warm start.

 

 

Using the RESET

If you press the RESET button, the ZyWALL sets the configuration

button

to its default values and then reboots.

 

 

Clicking

Clicking Maintenance > Shutdown > Shutdown or using the

Maintenance >

shutdown command writes all cached data to the local storage and

Shutdown >

stops the system processes. Wait for the device to shut down and

Shutdown or

then manually turn off or remove the power. It does not turn off the

using the shutdown

power.

command

 

 

 

Disconnecting the

Power off occurs when you turn off the power to the ZyWALL. The

power

ZyWALL simply turns off. It does not stop the system processes or

 

write cached data to local storage.

 

 

The ZyWALL does not stop or start the system processes when you apply configuration files or run shell scripts although you may temporarily lose access to network resources.

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ZyWALL USG 2000 User’s Guide