WiFi UDP does not show up in wireshark

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So you're seeing the traffic to and from the PC? If so, did you have to enter a network password into Wireshark to see the traffic?

And the phones are associated with the Wi-Fi network (they show the Wi-Fi icon at the top)?

Yes I see the PC traffic. No passwords in any devices. The phones show wifi at the top. The wireless router assigns ip addresses to all the devices, including the phones.

Bob

No passwords in any devices.

So you're saying your Wi-Fi network is unprotected, and has no password associated with it?

Yes. No passwords.

So if you:

• turn the PC off, disconnect it from the wireless network, or put it to sleep, so that it's not generating any traffic;
• disconnect the Mac from the wireless network, so that it's not generating any traffic - but don't turn the Wi-Fi adapter off;
• try to capture, in monitor mode, on the Mac;
• use the iPhones to both go to Web site and use the Grandstream Wave software to make calls;

what traffic do you see?

Thanks Guy! The Mac does not allow disconnection from all wifi networks, but if I connect to some other network on a different subnet, I assume that will work, if filtered out. I searched the manual, but I cannot find info on how to put the Mac into Monitor mode. Please advise.