How To Reboot Cisco Routers is one of the most critical configurations for every type of CCNA or other type of CCNA course work? If you were not properly taught how to do this, your network will not be as functional as it should be when you graduate from your training. There are three ways to perform the task. They are manual, automated or hybrid.
Manual method - This method involves checking the values of some internal or external devices. The primary goal is to identify if the status of any device is error or invalid. Then you can try to reboot the router to determine whether the changes were successful. After the router is placed into an isolated mode without a non-working device, you can manually perform the reboot or forced restart command. Forcing a restart also resets all the security configurations of the network and resolves DNS names.
Automated method - This method is automatic and can be performed by the administrator on any Cisco router in the network. Forcing the reboot or restart works by adjusting the connection settings in the software itself. The resetting of the various security parameters on the router resets them automatically and allows you to log on successfully.
How to Reboot a Cisco Router
Hybrid method - This type of reboot involves two different methods. In one method, the status of the device is checked using the show commands. If the device is not responding or there is a problem, this status will be shown. It will also describe the reason as to why the device has stopped responding. Using the show commands, you can also determine the reboot attempts that were sent to the device.
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Manual method - Manual reboots are used mainly when the device is not functioning correctly and manual control cannot be exercised. To initiate a manual reboot, you have to connect the device to the computer and then set it to assume a normal state. Forcing the status of the device to assume an unusual or emergency state will cause it to reboot automatically. Forcing the status to normal will prevent the reboot. It is also useful if you have forgotten to remove any router's power switch or cable.
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Both of these methods assume that the routers are powered off. You can also use the show commands to determine the status of the device is powered on. There are some specific reasons that would necessitate the need to automatically reboot Cisco routers. The most common reasons are the failure of power supply, bad interface, virus, and a dead terminal.
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Automatic method requires the administrator's consent, because it uses the monitoring capabilities of routing devices to automatically restart them. If the reboot fails due to a virus, you have to send an emergency message to the enterprise administrator and wait until he has enough time to send his workers for a clean reboot. Use of such methods has a disadvantage in the case where the reboot failure is not caused by a virus and a clean reboot can be achieved by just restoring a previous successful configuration. In this case, manual intervention is required.
Manual method is recommended to learn how to reboot a Cisco router if you are not sure whether you can do it yourself or not. The administrator can also instruct the users to manually reboot the device when necessary. It is a good practice to enable the safe mode for each interface, and avoid the use of automatic configurations during emergency conditions. Using the web-based console to troubleshoot the Cisco switches and access the management tools and management alerts you need to be able to stop the router automatically in the face of unexpected reboots.
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