Regarding TCP Previous Segment Lost

["Zachary J. Ziemba" <zach.ziemba () backbonesecurity com>]

Hi,

Can anyone offer a potential scenario that would explain why the highlighted packets are occurring in a stream that 
they do not appear to correspond to? I'm new to analyzing network traffic and can't understand why the sequence number 
would transition in such a way mid-connection. Wireshark lists these packets as Previous Segment Lost/Retransmission 
but they appear to be unrelated to the connection.

Thanks in advance,

Zach

Attachment: tcp_retransmission_issue.xlsx
Description: tcp_retransmission_issue.xlsx

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