Java

Send a Wake-on-LAN Magic Packet

Demonstrates Socket.SendWakeOnLan, which sends a Wake-on-LAN magic packet for a MAC address to a UDP broadcast address and port.

Background. The MAC address is six bytes written as hexadecimal. Wake-on-LAN wakes a powered-down machine on the local network that has the feature enabled.

Chilkat Java Downloads

Download Chilkat for Java

Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Socket;

public class ChilkatExample {

    public static void main(String[] args) {
        Socket socket = new Socket();

        // Send a Wake-on-LAN magic packet to wake a machine by its MAC address.  The MAC is six bytes
        // written as hexadecimal, and the packet is sent to the UDP broadcast address and port.
        try {
            socket.sendWakeOnLan("000102030405", 9, "255.255.255.255");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("Wake-on-LAN packet sent.");
    }
}