On most systems, issuing this command is required after each boot. However, if does contain d, WoL needs to be enabled by running the following command: If contains g and not d, then Magic Packet™ is enabled. To check whether WoL is enabled in the NIC, one could use Where contains the letter g, the NIC should support the WoL Magic Packet™ method (for the other letters look at man ethtool). If this output contains a line similar to the following: This command will output some information about your the capabilities of your NIC. Where is the device name of your NIC, e.g.
#USE IPHONES NEW SHORTCUTS TO WAKEONLAN INSTALL#
Check your manual to see if yours does and install if necessary.įirst, determine which NIC will be used, and then check whether it supports the Magic Packet™ using PCI NICs sometimes require a cable connection to the power supply in order to stay awake when the computer is off/asleep. Enable the setting that is appropriate for your NIC. In one of the sub-menus there will hopefully be the option to allow USB and/or PCI devices to wake-up the computer. Boot your computer and enter the BIOS settings menu. If your NIC is not integrated into your motherboard, you will still have to configure your BIOS to allow devices to wake up your computer. To enable WoL in the BIOS, enter the BIOS setup and look for something called "Wake up on PCI event", "Wake up on LAN" or similar. This section may differ depending on whether or not you have a NIC integrated into your motherboard. You may also need to configure some software if things don't work out-of-the-box.
In order to use WoL it must be supported and enabled as necessary in the BIOS, NIC and other network hardware (routers, switches etc).
When the packet is received, the target machine's network device (Network Interface Controller or NIC) wakes-up the rest of the machine. WoL works by sending a packet of data called a Magic Packet™ to the target machine. It can be very useful in situations where computers are not all next to each other or there are a lot of machines. Wake-on-LAN enables users to turn on a computer across a network from another network device.
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