You can interact with the server providing the IP address for your computer. For Linux you can use the command ifdown ethO followed by the command ifup ethO. This will send a series of requests to the server. On the Windows XP/7 machine, type the command ipconfig /? which will display a series of options. Type in ipconfig /all and get a screen capture of what is displayed. Paste the screen into a word processing document and then provide a brief explanation of each of element in the list.