I have a traffic capture that have some packets reassembled PDU but Wireshark don't annotate all the packets that are reassembles with "TCP segment of a reassembled PDU" is my interpretation is wrong or Wireshark don't annotate some packets Here is the capture https://drive.google.com/file/d/1MvaDKUiba2HLIiYHt_SIekB6FlWQkIv2/view?usp=sharing We can see that the 7th and the 8th frame are reassembled