CTS 383: Deep Dive – Wi-Fi Troubleshooting at the Frame Level
From Clear To Send: Wireless Network Engineering by Rowell Dionicio and François Vergès
January 20, 2026 · 49 min
About this episode
This episode dives into Wi-Fi frame analysis and troubleshooting techniques using Wireshark.
Thank you to our sponsor: Meter: Visit meter.com/cleartosend to book a demo! This video, a deep dive on frame analysis, covers the essentials of capturing Wi-Fi frames and analyzing them using Wireshark. These skills discussed are useful for troubleshooting and for those studying for their CWAP certification. Capturing Wi-Fi Frames To properly capture 802.11 frames, a Wi-Fi network interface card (NIC) must be set to monitor mode, as simply running Wireshark will only capture data at Layer 3 and above. This video, a deep dive on frame analysis, covers the essentials of capturing Wi-Fi frames and analyzing them using Wireshark. The speakers note that the skills discussed are useful for troubleshooting and for those studying for their CWAP certification. Capturing Wi-Fi Frames To properly capture 802.11 frames, a Wi-Fi network interface card (NIC) must be set to monitor mode, as simply running Wireshark will only capture data at Layer 3 and above. Capture Tools and Tips: * macOS: Users can employ the AirTool software to put their card into monitor mode and perform a packet capture on one channel. * Unix-based systems are generally easier to use for capture due to more…
People in this episode
Hosts: Rowell Dionicio, François Vergès
Topics covered
- Wi-Fi troubleshooting
- frame analysis
- Wireshark
- packet capture
- network interface card
- monitor mode
Keywords
- Wi-Fi frames
- troubleshooting
- monitor mode
- packet capture
- Wireshark
- CWAP certification
Sponsors
Meter
Mentioned in this episode
Products: Wireshark, AirTool, Sidekick, WLAN Go, Wi-Fi 7
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