iftop: iftop (Display bandwidth usage on an interface) iftop: iftop: iftop does for network usage what top(1) does for CPU usage. iftop: It listens to network traffic on a named interface and displays a iftop: table of current bandwidth usage by pairs of hosts. Handy for iftop: answering the question "why is our link so slow?". iftop: iftop: Homepage: http://www.ex-parrot.com/~pdw/iftop/ iftop: iftop: iftop: