Wireshark has been around for quite a long time, morphing from ethereal (can you remember that far back?) to what we know and love as Wireshark today. It's not the cheapest tool though, so as an alternate, using Wireshark is a great option. Omnipeek is a powerful sniffer tool, which we use for these scenarios. Having worked on quite a lot of bugs, this is something that every WLAN engineer will eventually have to do. Sometimes it is because you have a bug and you need to see the exact behaviour of devices in the network, in order to work out where the issue lies. During fault finding with WLAN networks, there comes a point where you just have to take it down to the lowest level.
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