Bandwidth meter

BWMeter 5.2

http://download.cnet.com/BWMeter/3000-2155_4-10252213.html

BWMeter helps you monitor and control your network. It is a bandwidth meter, monitor and traffic controlle that displays and manages all the traffic on your computer or on your network. It can analyze the data packets and tell you where they come from, where they go, which port and protocol they use. BWMeter creates statistics for all computers in your network, measuring and displaying all LAN traffic as well as download and upload from the internet.