Tcptrace performs many different kinds of analyses on network capture files. In its most basic form, tcptrace produces a listing of all TCP connections found in the capture file. The “long” option produces an interesting summary of each connection, including packet totals and statistics, TCP flow information, throughput and error statistics, and much more.
Tcptrace can also produce graphs showing the throughput, RTT sample, time sequence, outstanding data on network, and segment size. To view the graphs, you’ll also need xplot, (which, unfortunately, is not the same xplot available in the Debian repositories).
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