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| CAUTION: A device reboot might interrupt network services. To avoid configuration loss, use the save command to save the running configuration before a reboot. For more information about the save command, see Fundamentals Command Reference. Before a reboot, use the display startup and display boot-loader commands to verify that the startup configuration file and startup software images are correctly specified. If a startup configuration file or software image problem exists, the device cannot start up correctly. For more information about the two display commands, see Fundamentals Command Reference.
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The following device reboot methods are available:
Immediately reboot the device at the CLI.
Schedule a reboot at the CLI, so the device automatically reboots at the specified time or after the specified period of time.
Power off and then power on the device. This method might cause data loss, and is the least-preferred method.
Using the CLI, you can reboot the device from a remote host.