Linux Display Bandwidth Usage on Network Interface By Host Using iftop command


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Originally published at: https://www.cyberciti.biz/tips/linux-display-bandwidth-usage-on-network-interface-by-host.html

The iftop command listens to network traffic on a named network interface, or on the first interface, it can find which looks like an external interface if none is specified, and displays a table of current bandwidth usage by pairs of hosts. The iftop is a perfect tool for remote Linux server over an ssh based session.