Intel EtherExpress Pro (i82557) with management chip built onto an IBM Known-to-work hardwareģCom 3c905B Cyclone 100baseTx on an Abit BP6 Motherboard Seen by the listening NIC that's also on the same subnet, and it will turn The remote hosts will probably ignore the packet, but it has been To the IP address of another host on that network that's alive at that It is possible to send the packet to the remote net however, by sending it Many routers don't forward broadcast packets, so the packet will never arrive To use the broadcast address of the destination network. When the routers forward directed subnet broadcasts, it is possible subnet 192.168.10.0 with netmask 255.255.255.0, use 192.168.10.255)įor waking up a PC on a network behind one or more routers, some tricks mustīe used. The scripts takes 2 arguments, the MAC-address of the NIC, and an IPįor a NIC on your local subnet, use the broadcast-address of this subnet. ItĮxpects no returning data, since the NIC only listens, and does not replyįor a more detailed description of the Magic Packet technology, see theĪMD white paper available at the following addresses: The only goal of the script is to send this packet over the network. Over an ethernet interface, looks something like this This program uses UDP for sending the packet. Take a look at the code for the magic sequence. This packet must contain aĬertain byte-sequence, but can be encapsulated in any kind of packet The network for a 'magic' packet to arrive. When the PC shuts down, the NIC still gets power, and keeps listening on WOL is based on the following principle : This script sends 'magic packets' to wake-on-lan enabled ethernetĪdapters, in order to switch on the called PC. With comments or additions (good or bad). This is some premature documentation for this project.
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