Step 2) Use a separate device to act as your wireless sniffer - you cannot take a good wireless sniffer trace if it is running on the device under test (the client machine you are trying to get a wireless trace of). ![]() This will allow your sniffing device to capture a good approximation of what your client device is hearing over the air. Step 1) Since the sniffing device, client device and AP are all using RF generating radios for transmission or reception, it helps to have your wireless sniffer close to your target device (the client machine). With Wireless sniffing it helps to have an idea of what you are really trying to do - you are trying to capture the raw wireless frames from over the air, as seen by the wireless sniffing device itself. But there are a few things to bear in mind that will help simplify and speed up this process. This means you miss most of the stuff you want to see with a wireless trace. Our WiFi Sniffer for Windows allows you to take full advantage of the monitor mode, also called promiscuous mode, for cards that support the latest 802.11ac. Rather some layer 2 frames, layer 3 frames and above and no promiscuous mode. However, you will notbe able to sniff raw 802.11 frames. ![]() ![]() The process of collecting a good wireless sniffer trace, in order to analyze and troubleshoot 802.11 behavior, can be a difficult and time consuming operation. Sniffing wireless is possible with a usual Wireshark taken on the wireless adapter. The management frames captured by wireless sniffer includes beacon frames, request to send (RTS) frames, clear to send (CTS) frames and Acknowledgement.
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