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Wake on LAN

A wake on LAN request is used by a computer as a means of connecting to a computer that is shut down. The computer will send specially formatted messages to the intended computer which is identified by its MAC address and IP address. This task is accomplished as although the target machine is powered off, its motherboard provides enough power to the network adapter to attend to the WoL request.

The WoL targeted computer needs to be connected via Ethernet to the network in order for the process to work. No other means of networking (wireless, Wi-Fi) will suffice as an alternative. However any computer connected by any means of networking can issue a WoL request. The requirements are that the computer needs to have the specific application software (for example business network use enterprise software). Individual user can download standalone software from the internet.

So basically for WoL to work, the receiving computer must be equipped with wired Ethernet, an IP address and the OS should be configured to receive the requests and run them. (Windows has this option on the adapters properties page, and the computer usually shuts down if it remains inactive for longer than two mins).


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