Wireshark-users: [Wireshark-users] ACKed segment that wasn't captured

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From: luke devon <luke_devon@xxxxxxxxx>
Date: Fri, 1 Jun 2018 02:47:06 +0000 (UTC)
Hi, 

While analysing the captured pcap in wireshark , I have found significant occurrences of following messages. There is no extra hops in between the switch and particular server where I am capturing the traces using dumpcap. As I checked, I don’t see any packet TX/RX failures  in the server’s network interfaces.

 

May I know what could be the root cause and how can I fix it ?



ACKed segment that wasn't captured (common at capture start)

Previous segment(s) not captured (common at capture start)


Thank you
Luke