To see if speed is an issue, the USB Device Tree Viewer is the easiest way to see the device speed. It is a great tool for a variety of HID products such as mice and keyboards, but not for USB devices that operate in High-speed mode. Unless you are monitoring a HID (human interface device) such as mouse, mostly likely the USB speed exceeds the parameters of the Beagle USB 12 Protocol Analyzer. Thanks for your question! The Beagle USB 12 Protocol Analyzer is a Low Speed and Full Speed USB sniffer that will only capture Low and Full Speed USB device traffic. It detects no USB traffic or enumeration - what am I missing? Response from Technical Support: I won’t get into all the usage of WireShark in this post.I am using the Beagle USB 12 Protocol Analyzer to monitor a High-speed USB bus.

This will bring the USB interface “down.”

When you are done with your Capture Session, just return to Terminal and paste: Sudo ifconfig XHC20 down. Now, as you can see, Wireshark sees the XHC20 USB Interface, and can now capture its traffic. So at the command prompt you’ll paste in: Sudo ifconfig XHC20 up. In most cases, this interface is called XHC20. But 1st you’ll need to open Terminal so you can Enable, or “Bring Up” the USB Interface, such that WireShark can see it as a Capture Device. Once you’ve downloaded and got Wireshark installed, it’s easy to capture USB traffic. Until there’s official support, you can still get USB capturing going with Wireshark, by downloading the “nightly build” version, which is available here:

In order for a capturing protocol to be included in Wireshark, it has to go through quite a rigorous review process. I guess you’d classify this as an unofficial release. However, Apple has enabled capturing USB traffic, even for USB-C devices, via Wireshark. As developers know, the utility tool to debug and monitor USB Traffic hasn’t been available for quite a while.

Usb traffic sniffer