Wireshark: Capturing Re-transmissions for Specific Host

Here is a little tip when working with Wireshark to diagnose problems with traffic flow to a remote host. This filter command shows resent TCP packets for a remote host.

ip.addr eq remote.example.com and (tcp.analysis.retransmission or tcp.analysis.fast_retransmission)

Replace remote.example.com with the name or ip address of the remote host.

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