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Revision 2

updated 2019-02-06 17:55:53 +0000

TCP Dup ACK and TCP Previous segment

Hello, I have a problem with the database on the server (19.168.1.100). There are cases where the same records are duplicated to the database.

No.  Time      Source          Destination    Protocol Length Info
19   0.160086  195.69.209.165  192.168.1.100  TCP      60     [TCP Dup ACK 18#1] 443 → 56386 [ACK] Seq=156 Ack=551 Win=4930 Len=0

and 
No.  Time       Source          Destination    Protocol Length Info
812  12.160016  195.69.209.165  192.168.1.100  TLSv1    91     [TCP Previous segment not captured] , Application Data

What could be the reason for these errors? Switcher or network card in the server?

Revision 1

marcinsgdz

asked 2019-02-06 17:42:43 +0000

TCP Dup ACK and TCP Previous segment

~~Hello,~~ Hellow, I have a problem with the database on the server (19.168.1.100). There are cases where the same records are duplicated to the database.

No. Time Source Destination Protocol Length Info 19 0.160086 195.69.209.165 192.168.1.100 TCP 60 [TCP Dup ACK 18#1] 443 → 56386 [ACK] Seq=156 Ack=551 Win=4930 Len=0 Len=0
and No. Time Source Destination Protocol Length Info 812 12.160016 195.69.209.165 192.168.1.100 TLSv1 91 [TCP Previous segment not captured] , Application Data
Data

What could be the reason for these errors? Switcher or network card in the server?