opt for channel you want to monitor and tap the Start button.
When it’s finished, you’ll get a WCAP file you could open withWireshark.
OS X Yosemite Has a Secret Packet Sniffer| Jacob Salmela
Access OS X's Packet Sniffer with the Wireless Diagnostics Tool
We've shown you how to tap your network and monitor everything that's happening before, but blogger Jacob Salmela's shows off a trick that makes it
