Wireshark), but you’ll only see (at best) packets being sent to and from the computer running In this case, you can try turning promiscuous mode off (from inside The issue is that many of the 802.11 cards don’t support promiscuous mode. Simply go to, download the software for your applicable operating system, and perform the installation.Ī problem you’ll likely run into is that Wireshark may not display any packets after starting a capture using your existing 802.11 client card, especially if running in Windows.
Wireshark (formally Ethereal) is freely-available software that interfaces with an 802.11 client card and passively captures (“sniffs”) 802.11 packets being transmitted within a wireless LAN.