Restarting the System Using the CLI

This section describes how to use the CLI to restart the system.

Context

When the system works abnormally, you need to rectify the fault. Do not restart the system frequently. Otherwise, services are affected.
If you must restart the system, select off-peak hours in non-emergent cases, such as in the early morning.
Restarting the system may cause the loss of temporary data. Before the reboot, ensure that the configuration file is saved.

Restarting the System Immediately

Select the following methods to restart the system:

Run the reboot [ fast | save diagnostic-information ] command in the user view.

If you specify parameter fast, the system is rapidly restarted and does not prompt you to save the configuration file. Therefore, unsaved configuration information will be lost.

To restart the device, press the RST button. Ensure that the running configuration is saved before pressing the RST button.

Restarting the System at a Specified Time Point

You should specify a time point within the idle hours for system restart to avoid service interruption and great losses. You can perform the following procedure to restart the system:

Restart the system at a specified time.
schedule reboot { at exact-time | delay interval [ force ] }

If the clock datetime command is executed after you run the schedule reboot command, the parameters specified in the schedule reboot command no longer take effect.

After the configuration is complete, run the display schedule reboot command to display the parameter settings of the system restart at a specified time.
```
<FW> display schedule reboot
Info: System will reboot at 16:00:00 2011/11/1 (in 2 hours and 5 minutes).
```