The Apple Network Responsiveness test measures the responsiveness of a network, or its ability to multitask when multiple devices and apps are sharing the network at the same time. But what is it actually doing?
All in Packet Capture
Install Metageek Eye P.A. on macOS
The first time I saw Metageek’s Eye P.A. (Presented at WLPC19 by Joel Crane) It reminded me instantly of David McCandless’ ‘Information is Beautiful’ (UK Amazon - US Amazon). I love that book!! It also reminds me of Daisy Disk (an amazing disk space utilisation app). For some reason, I just assumed it would work on a Mac (I mean, what Windows app looks that good?!?!). I was wrong… sort of.
Promiscuous Mode vs Monitor Mode
Early on in my WiFi journey, I kept hearing about Promiscuous Mode and Monitor Mode. I didn’t really know what they were so I wanted to get something down on here to help people understand the difference.
Using airportd in Terminal on MacOS to get WiFi info
Today I was messaging with some other WiFi people about how they can get some visibility on what end users can see from their Macs without having to install software on their machines.
Capture packets from your iPhone or iPad via Remote Virtual Interface in Wireshark
Every now and then you need to find out what a client is trying to do. Sure, you could put your favourite packet capture device right next to the device and filter stuff out but sometimes you want to know exactly what the device is trying to reach or do. This will also give you the data that goes over cellular - Great for troubleshooting cellular handoff - if you wanted it.