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the `wireshark wiki <https://wiki.wireshark.org/>` page on `Display filters <https://wiki.wireshark.org/DisplayFilters>`_
a nice `list of Wireshark Display Filters <https://networksecuritytools.com/list-wireshark-display-filters/>`_ by Robert Allen
You can now use your understanding of wireshark_ and tcpdump_ to analyze a 2-minutes long packet trace.