If the MAC Address matches the network card, the computer will wake up.įor use in an enterprise, WOL is usually used in conjunction with a management system that already stores this subnet and MAC address information. All computers on the subnet get the packet. A Magic Packet is a broadcast sent on port 0, 7, or 9 that contains the destination computer's MAC address. Once WOL is enabled, the computer can be awakened by sending a Magic Packet. Click on 'Configure' next to the network card the connection is using.Click on 'Network Connection' (in Control Panel) and then click on 'Properties.'.In order to enable on the network card, please take the following steps: To see if this is available for you computer, please contact your manufacturer. For example, BIOS settings can be configured remotely on Dell computers using Dell Open Manage and on HP/Compaq computers using Insight Manager. In order to enable WOL in the BIOs quickly and easily, some manufacturers provide methods for managing BIOS settings remotely or through scripts. WOL must be enabled in the both the basic input/output system (BIOS) and the network card.

The listening computer receives this packet, checks it for the correct information, and then boots if the Magic Packet is valid and if contains the network card's MAC address.The Magic Packet is broadcast on the broadcast address for that particular subnet (or an entire LAN, though this requires special hardware and/or configuration).The network card listens for a specific packet, called the 'Magic Packet.'.The target computer is in standby, hibernate or shutdown, with power reserved for the network card.Wake-on-LAN (WOL) allows a computer to be powered on or awakened from standby, hibernate or shutdown from another device on a network.

With Wake-on-LAN activated, a network administrator can wake up sleeping machines at any time in order to perform on-demand software patches or updates. Another way to ensure that sleep settings do not interfere with the distribution of administrative software updates (such as Windows security patches and antivirus definitions) is to utilize Wake-on-LAN features.

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