Instructions
Disable any other network cards that may be in use. Open both Listchecker and Warcraft 3. Create a game and ensure Listchecker is one of the players.
Host a public game by typing "/hostbnetpublic gameName" and replace the word "gameName" with the name of the game you have chosen.
Check the ping by typing "/pingclients." The ping for each client and the server will be displayed.