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Questions tagged [wake-on-lan]

Wake on LAN is a feature where one can send a broadcast over the network to boot a machine.

Wake On LAN works by broadcasting a magic packet containing the MAC address of the machines that needs to be woken up. Once the machine receives this packet it will start to powerup.

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How to disable Fast Startup using a Group Policy?

Windows 8 / 8.1 / 10 has this feature called "Fast Startup" (or "fast boot", "hybrid statup", "hybrid shutdown", and so on...) which doesn't actually shut down the computer when you tell it to do so, instead putting it in a sort of hybernation, in…
Massimo
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Can Wake on LAN work on VPN connection?

Is it true that we can’t allow any machine to sleep that may need to be accessed via a VPN connection? (I am asking this on server fault as it is as much about VPN servers than about the end-user PCs sleeping)
Ian Ringrose
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Why does a Wake-On-LAN packet contain 16 duplications of the target MAC address?

From the Wireshark webpage: The Target MAC block contains 16 duplications of the IEEE address of the target, with no breaks or interruptions. Is there any specific reason for the 16 duplications?
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How can I tell whether the system booted because of Wake-on-LAN (WoL) or because of the power button?

In Windows 10, I would like to know how I can tell in a script whether the system booted because it was turned on by receiving a Wake-on-LAN (WoL) packet, or because it was turned on because of pushing the power button. I did find the WakeUpType…
Jurjen
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Laptop waking from sleep

I have a laptop which has "recently" turned into the proverbial baby, and refuses to sleep through the night, or for that matter, through some days. I'm a little lost when it comes to trying to debug what is causing it to wake for no apparent…
Rowland Shaw
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Wake on Lan tool for Windows?

Can anyone recommend a good Wake on Lan tool for Windows? Either a commandline/windows app/script to send the "magic packet" and turn on a computer.
John Sibly
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Why WakeOnLAN frames are sent to broadcast

I'm trying to figure out why wake on lan frames, in the simplest form, are designeted to the ethernet broadcast address (FF:FF:FF:FF:FF:FF) and not to the address of the machine to be powered on. Does it has to do with the network switch internal…
ApriOri
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What does a magic packet look like?

What does a magic packet contain and what options does the protocol provide?
Sander Versluys
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Automatic wake on LAN in Linux when accessing remote filesystem

I have a small server which runs Ubuntu, running webserver and other things, and as such is on 24/7. It also serves as our file server for the majority of frequently used files, serving files through samba. I also have a much larger server with…
Grant
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How to get Wake-on-LAN working?

I have a PC behind a router with a dynamic IP address that I want to configure for wake-on-LAN. How do I send the magic packet to the PC? Do I configure my router to forward UDP port 6 to the PC? How would I send the packet from another PC on the…
Nathan Osman
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Wake-on-lan to trigger virtual-machine with kvm and libvirt

I'm doing virtualization with KVM and managing it via the Libvirt daemon. How do I configure Libvirt or KVM to listen for Wake-On-Lan packets sent the the Virtual Machine's NIC's MAC address and to start the Virtual Machine when such a packet is…
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Wake on LAN over different subnets

I have 3 IP blocks and 3 Cisco Switches. Each switch has its own IP block - 10.45.100.0/24, 10.45.101.0/24 and 10.45.102.0/24 I have got a PC on 10.45.100.0/24 block. I can wake up whole computers (with IP Address, Mac Address, Subnet, Port) in this…
Ibrahim AKGUN
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Is wireless wake on lan possible?

I don't really have much to add to the question in the title.. Is it possible to wake a computer via a wireless network card? (Assuming that a wireless card doesn't consume enough power to make putting it to sleep not worth it)
Arnold Spence
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Is it possible to WOL via OpenVPN?

I am trying to find a way to turn on my work PCs remotely via OpenVPN. The PCs are connected to a router which is on the subnet of another router owned by the people who manage our building. When the PCs are powered on, I can access them fine using…
Richard Lapthorn
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Automatically start an AWS EC2 instance from network request (wake-on-LAN)

I'd like to start an EC2 instance on-demand, and to take it down when it is idle for some period of time (e.g. no network activity for >= 1 hour), but I can't tell what a standard way of doing this in AWS looks like, given that AWS doesn't support…
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