![]() There are ways to configure wake-on-LAN to work via a magic packet sent from outside your home network via the Internet, but there are additional security considerations to factor in. ![]() Secondly, wake-on-LAN typically only works on your local area network. There is such a thing as “wake on wireless LAN” (WoWLAN) but it’s much more complicated, and depending on your hardware, perhaps not even possible. There are some caveats to this: First, wake-on-LAN only works with a wired Ethernet connection. The computer can be woken up by sending it a magic packet from another device on the network. With wake-on-LAN enabled, your computer will “listen” for a “magic packet” containing its MAC address while it is in sleep mode. The wake-on-LAN (WOL) protocol has long been used in IT settings to remotely manage computers, and it’s just as handy at home. Thanks to wake-on-LAN, I can do that without getting up off the couch. ![]() But the method that’s easiest on my electricity bill is to only turn my computer on when I need it. Now, I could leave my PC on 24/7, or even schedule my computer to sleep and wake automatically at a certain time of day. However, I do have to ensure that my main computer is powered on. Thanks to Windows HomeGroup sharing and iTunes Home Sharing, I don’t have to walk all the way up to my office every time I want to access those files. But I still like to keep my photos, music, movies and documents centralized on my main computer. Over the years, I’ve accumulated a number of computers, mobile devices and streaming boxes in my household.
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