Power Management Software

Wake-on-LAN Packet sniffer

Wake-on-LAN Packet sniffer is designed to troubleshoot and setup Wake-on-LAN entire your Network. It allows to check whether the target machine recieve the packet. Program will display all incoming "Magic Packets".

About Magic Packets
Wake-on-LAN (WOL) technology is used for remote waking up machines from sleep state through special network packets (Magic Packet).
The Magic Packet is a UDP broadcast message, that contains the Media Access Control (MAC) address of the network card of target computer.
This packet should contain a synchronization stream of 6 bytes of FFh and 16 times the repetition of the MAC address.

There are three different ways to send Wake-on-LAN packets:

Last two ways requires configuration of the routers for each subnet.  

Using the tool.
  1. Start Wake-on-LAN Packet sniffer on the target (tested) machine;
  2. Start your the Wake-On-Lan program which be used to send out magic packets (in this example it is ProfShutdown);
  3. Send packet to the tested machine;
Wake-On-LAN test picture

On example below is shown received packet which be send from IP to subnet-directed broadcast address and destination port 7.
Packet contains MAC Address 00E04C3103AC and empty password.

Wake-on-LAN Packet sniffer v1.1 (freeware) Download

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