Wake - On-LAN that's behind it
- As the Name suggests, you can Wake it up with Wake On LAN (abbreviation "WOL") a computer in your network or LAN. To do this, you use a different device from a distance, with which you can pick up your PC from sleep.
- For this to work, it must be the PC but in the stand-by mode. He must not therefore be turned off.
- In addition, the Motherboard and the network card of the target must be PCs compatible with this technology. In modern motherboards, but this is almost always the case.
WOL is enabled in the BIOS
How does WOL?
- The computer that you want to switch on, responsive to a specific data package, the so-called "Magic Packet". This they send to the other device, about the you give the command to Start. This is also the reason why the network card must be powered and in Standby mode continuously with electricity.
- Thus, the destination PC realizes that he should Wake up, you must have this package a very special Format:
- First, it is six times the value "0xFF" (decimal 255) is sent, followed by the MAC address of the destination computer sixteen times in a row.
- In the Screenshot, you can see in Pseudocode, a simple example of a Magic Packets for the MAC address: "2C:6F:AA:3D:5C:2F".
- As soon as the machine this Code is received, he goes out of Standby the high. In this way, devices can, for example, on-the-go from the start and use, so they are immediately ready when you come in the door.
Example for Magic Packet
Wake-on-LAN works with both LAN with Wi-Fi. Which of the two transmission paths is better, we can tell you in the next tip. Your Wake-On-Lan enabled PC in the network to start, you need the Freeware WakeOnLan, which we will send you the Download available.
