Such a great tool and 100% free. Use it often to debug network issues and see where devices connect to. Like someone else said: a multimeter for networks.
Also used it to learn about WiFi connection setup with acces point. Can see all the beacon packets and WiFi packets
I was a very early adopter of Ethereal. My team had a Sniffer PC, but either it was being used by someone else or it didn't adequately decode protocols.
Also used it to learn about WiFi connection setup with acces point. Can see all the beacon packets and WiFi packets