![]() To minimize possible router issues I connect my Comcast SB5120 cable modem directly to my machine (both are windows 7圆4, one home one pro). I can wake it up from sleep or off for short time (up to about an hour) after it enters said state but if it's sleeping or off for longer periods (ie overnight, or during the day while I'm at work) it just won't wake up. Long story short, wake on LAN doesn't work after a long delay. I've spent more hours than I care to relay on this (including tons of forums, buying a second computer to verify, chatting wit tech support) and still can't get all the kinks worked out. Thanks for this tutorial, it helped get me started but I think there is a bug in Windows. If there is no link, there is no way for the PC to receive the magic packet. You MUST have a network link light on your ethernet even when the PC is switched off. One thing that you DO need to do it configure your BIOS so that the PCI-e is made live for WOL packets. In the real WOL system, the OS doesn't receive the packet (as the machine is switched off), only the network card does. You could just as easily disable the windows firewall while you do the wolsniffer testing and then once you have successfully received a packet, you can switch it back on again. It's not actually required to wake the machine. Open UDP for Port 9 in Windows FirewallĪre only just a way of making a hole in the firewall so that the program you use to detect the magic packet will work. Start Service "Simple TCP/IP Service" (enables ports 7 & 9)ģ. Install Windows Feature "Simple TCPIP services"Ģ. A lot of the steps above aren't actually required - the process of -ġ. - The indispensable tool for ensuring that your port is open to the outside world.You'll only have to edit the script to put your computer MAC and WAN IP. I will also include a batch script in a separate zip which will make your life easier. There are other utilities like this available, but I like this one. Wake-on-LAN Utility ( direct download ) - This is what you'll be using from your remote location to send the magic packet which will wake up your computer.Wake-on-LAN Packet sniffer v1.1 ( direct download ) - This nifty little free tool was incredibly useful when paired with the above site to verify that the magic packets were actually getting through to my computer.Alternately you can use another computer on your LAN to test it, but be sure to use your computers' WAN IP address to ensure it actually works from outside your LAN. When you get the schedule set correctly is should tell you how many minutes before it sends the packets at the top. I had to set the schedule time to EST while keeping the timezone set to my timezone. ![]()
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