You can see in this screen shot, I changed to channel 6 from channel 1, and then changed again to channel 11: To make further changes click Stop, change the channel, then click start again. Once you pick which channel, you will have to enter your administrative password once to make the change by clicking the Start button. Pkus you can adjust the channel width here as well. This will bring up the following dialogue:Īh-ha - from here you can pick the channel you want your Wi-Fi/WLAN interface to listen to!Īll the 2.4Ghz and 5GHz channels are listed in the drop down. Up on the main menu bar, select Window> Sniffer: You should get a screen that looks like this: Open your Spotlight search (command-SPACE) and enter "Wireless Diagnostics".
So how do you change channels on your MAC?Įasy. Wireshark used to have the Wireless toolbar, but this is gone now (except Windows). You should start to see all the wireless frames your MAC can hear scrolling:īut look closely, you will only be looking at the channel your current connection is operating on - in my case above the Channel column says Channel 1.īut what if I want to listen/sniff on another 2.4Ghz or 5GHz channel? Now there is an assumption here, and that is that you are connected to a Wireless Network.
Over to the right (you can resize the window if necessary, click on the Monitor Mode tick-box (as shown). You see my Wi-Fi: en0 interface is highlighted/selected. Now on the drop down menu of Wireshark - select Capture> Options (or you can select the Gear button, or you can do a command-K). Now, once Wireshark is open, select your Wi-Fi/WLAN Interface (just click on it once so it is highlighted green): Ok all you MAC users, here is the way you capture Wi-Fi/WLAN frames using your MAC and Wireshark.įirst, MAC users get a really easy time of putting their interface into Monitor Mode, because the Wireshark interface works simply and easily, plus you don't need any other drivers or anything to make it work.įirst simply install Wireshark from Second - you are going to need our Wi-Fi/WLAN profile - get it here: Honestly, this is optional but if you want to do it right. Our Udemy course on Wireless Packet capture Our Wireless custom profile for Wireshark 5 of 5 - 7 votes Thank you for rating this article.Ĭheck out these great references as well:
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