Uploaded August 2020 | Updated September 2026, 5 hours ago

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This video will dig into how to read and interpret duplicate acknowledgments in Wireshark. These are common to see in our trace files, especially when troubleshooting TCP/IP, so let's understand what they mean and why sometimes we see hundreds of them.

Download the pcap: cloudshark.org/captures/98ad8cdd3082

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== More Training from Chris ==
▶Getting Started with Wireshark - bit.ly/udemywireshark
▶Getting Started with Nmap - bit.ly/udemynmap

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▶TCP/IP Deep Dive Analysis with Wireshark - bit.ly/virtualwireshark

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Let's get in touch - packetpioneer.com/product/private-virtual-classroom