Wireshark tcp retransmission filter1/12/2023 In most cases, Read and Write operations should complete within a few milliseconds. Since you are using SMB2 or SMB2 I suggest to try Wiresharks excellent Service Response Time feature: Statistics -> Service Response Time -> SMB2 Run editcap -d to remove these duplicate packets. You might want to use the editcap utility, which is part of the Wireshark distribution. This is usually caused by SPAN port definition.Ĭlearly, Wireshark is confused by the duplicate packets. All other packets from 10.10.10.1 also show up twice. This becomes immediately clear when you look at the three-way-handshake: The SYN-ACK from the server was recorded twice with a delta-time of 150 microseconds. Depending on the configuration, individual packets can be send to the SPAN port twice: Once when the packet arrives at the switch, and again when the packet is delivered to the destination port. The very first packets of your trace look like a capture taken from a SPAN port.
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