I am not troubleshooting layer 1/2/3 issues (as others do) with the TAP but upper-layer problems in one of those generic scenarios: And I am not interested in any CRC32 errors as well. That is, I am not using the additional timestamp dissector from the ProfiShark which gives you an even better time accuracy. All are more or less layer 7 and protocol related. Here are some use cases out of my daily business. The “Save” button is just for saving the settings persistently to the flash. Take care especially on the options at Network Ports -> Ports control! If you disable/enable anyone of them while capturing, your ports will probably go down and up again. If you’re using the ProfiShark Manager software, keep in mind that all checkboxes react immediately without any further confirmation. That is: Either don’t touch Wireshark during a packet capture or use the “direct capture” feature within the ProfiShark Manager software. For some reasons Wireshark crashed and my (unsaved) capture files were lost. Two more hints: I lost some of my ongoing traces as I tried to analyze them in Wireshark while capturing.
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