~/.iftoprc

Photo courtesy of tigerplish

This is a guest post written by SathiyaMoorthy.

Monitoring your network is an easy task with iftop. It shows a table of current bandwidth usage by hosts. iftop shows the pair of hosts which is responsible for the most traffic at the top of list, which makes it easier to identify the hosts that causes network congestion.

Iftop output shows the data transfer rate, both for data sent and received, for the past 2 seconds, 10 seconds, and 40 seconds.

This article provides an overview of iftop, installation instructions, sample usage example and screenshots of iftop.
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