Having to open the frames and look for flags and following sequence numbers can be quite complex and time consuming. To make analysis easier Wireshark will show this field starting from 0 but you can get the actual sequence number from the raw sequence number field on the Wireshark expert view. Viewing a pcap using Wiresharks default column display.
Dont wonder if theres no additional settings are for the column like it used to in the 1x versions of Wireshark now youll simply get an additional row titled New Column which you can then modify to your liking.
Having to open the frames and look for flags and following sequence numbers can be quite complex and time consuming. Sequence numbers are representative of bytes sent. By default Wireshark and TShark will keep track of all TCP sessions and implement its own crude version of Sliding_WindowsThis requires some extra state information and memory to be kept by the dissector but allows much better detection of. However Wireshark can be customized to provide a better view of the activity.