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Chapter 1 Introducing the ISG50
ISG50 User’s Guide
36
Always use Maintenance > Shutdown > Shutdown or the shutdown
command before you turn off the ISG50 or remove the power. Not doing
so can cause the firmware to become corrupt.
The ISG50 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.
Table 3 Starting and Stopping the ISG50
METHOD DESCRIPTION
Turning on the power A cold start occurs when you turn on the power to the ISG50. The ISG50 powers
up, checks the hardware, and starts the system processes.
Rebooting the ISG50 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 ISG50 writes all cached data to the local storage, stops the system processes,
and then does a warm start.
Using the RESET button If you press the RESET button, the ISG50 sets the configuration to its default
values and then reboots.
Clicking Maintenance
> Shutdown >
Shutdown or using the
shutdown command
Clicking Maintenance > Shutdown > Shutdown or using the shutdown
command writes all cached data to the local storage and stops the system
processes. Wait for the device to shut down and then manually turn off or remove
the power. It does not turn off the power.
Disconnecting the
power
Power off occurs when you turn off the power to the ISG50. The ISG50 simply turns
off. It does not stop the system processes or write cached data to local storage.