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Wireshark not detecting file sets

asked 2019-01-04 18:08:00 +0000

swinster gravatar image



I have three files in a folder:

  • cnsfb_1.pcap
  • cnsfb_2.pcap
  • cnsfb_3.pcap

However, opening up the first file and navigating to File -> File Sets -> List Files, I do not see any of the other files listed.

I have tried this several times with different prefixes and suffices, but no joy.

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answered 2019-01-04 18:23:07 +0000

grahamb gravatar image

Using files created with a ring buffer capture option (-b) seems to work with a file set. Such files are saved in the format <name>_ddddd_ttt.<suffix>


  • <name> is the capture name.
  • ddddd is the "sequence" number of the capture file, i.e. 00001, then 00002 etc.
  • ttt is the time and date of the capture, e.g. 20190104181500.
  • <suffix> is the capture file extension, e.g. pcapng.

You seem to need both the sequence number and the date\time to make the File Set feature work.

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Asked: 2019-01-04 18:08:00 +0000

Seen: 366 times

Last updated: Jan 04 '19