Wireshark-users: [Wireshark-users] Why redundant frames?
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From: Tony Anecito <adanecito@xxxxxxxxx>
Date: Wed, 14 Oct 2009 08:03:51 -0700 (PDT)
Hi All,

I am analyzing some traffic for my app using Wireshark. I captured a single request from my app to a web service and noticed that there appeared to be a redundancy in two frames. I am seeing something called a "TCP segment of a reassembled PDU" and then my Post being sent from the source (my client app) to the destination (web service). And the same sequence coming back from the destination (web service) to the source (my client app).

Does anyone know why the TCP segment of a reassembled PDU is be sent and then coming back? It looks like it contains the same data or payload.

Thanks,
-Tony