It is a common method of troubleshooting problems in WiFi netowrks. We will be using the Linux method of obtaining these, but you should be aware that in most large scale, Cisco, Meraki, Aerohive, Ubiquiti et cetera networks, these monitor mode pcaps can be obtained through an unused AP. In this activity, we will be obtaining monitor mode WiFi captures. Wiresharks troubleshooting skills are important and there are entire certification programs built around Wireshark:
You should hopefully build some excellent Wireshark skills in this course and be proficient at troubleshooting wireless network connections from Wireshark. In this activity, we are looking for components that we learnt about in the lecture. This should come naturally with time and experience. It is not useful or even necessary to spend time memorising frame types and definitions, but you with a good understanding of WiFi will know what most of the frames are and will understand why they are there. In addition, we will also be solidifying the knowledge from the lecture that reviewed frame types and the individual headers. By doing this we will also learn about monitor mode and what it does, as well as gaining some familiarity with Wireshark. The purpose of this lab is to investigate RTS/CTS and CTS-to-self messaging in the Wild.
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