IPTraf Total, IP, TCP, UDP, ICMP, and non-IP byte counts, LAN station statistics use: yum iptraf Speedometer Is a network bandwidth monitor tool capable of graphically representing network speed. use: sudo speedometer -r eth0 -t eth0 iftop iftop is a command-line system monitor that produces a frequently updated list of network connections. By default, the connections are ordered by bandwidth usage, with only the “top” bandwidth consumers shown. Column's can be reordered and sorted by using the options at the bottom of the page. use: sudo iftop -F eth0 (t=one line per host) ( n=disable DNS ) (p=Port Display) Press S D or q=quit Column Sort 1,2,3 nload nload is a console application which monitors network traffic and bandwidth usage in real time. It visualizes the in- and outgoing traffic using two graphs and provides additional info like the total amount of transferred data and min/max network usage. use: sudo nload ifstat ifstat is a simple tool that is fast reports interface statistics. use: ifstat -a |