March 2018
Intermediate to advanced
626 pages
17h 32m
English
book
Network Analysis Using Wireshark 2 Cookbook - Second Edition
by Nagendra Kumar Nainar, Yoram Orzach, Yogesh Ramdoss
Content preview from Network Analysis Using Wireshark 2 Cookbook - Second Edition
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Measuring a TCP stream with TCP event analysis
To measure a specific stream in order to find the events that are disturbing this stream, use I/O graphs as follows:
- Open the capture file (or start a new capture) and start the I/O graphs. In this example, we use the CAP_1674_06_06 file.
- In the first filter, configure the stream number—in this example, we are looking at tcp.stream eq 0. This will give you the traffic on this stream.
- In the first filter, configure the stream number and tcp.analysis.retransmissions: tcp.stream eq 0, and tcp.analysis.retransmissions. This will show all TCP retransmission phenomena on the specific stream (indicating a slow end device).
In the following screenshot, we see stream number 0 in the first line graph ...
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