Wireshark with nRF BLE Sniffer often does not display the data packets when establishing a BLE connection

[Tim83]

I am using Wireshark 4.4.0 and Nordic nRF Sniffer for Bluetooth LE 4.1.1 (nRF52840-Dongle PCA10059). In Wireshark I see a device, a peripheral, sending advertising packets, and when I connect to the peripheral with my phone using the nRF app, the packets related to the connection often do not appear in Wireshark. Sometimes they do, sometimes they don’t. see the attached Image as an Example where everything works fine.

It seems as if Wireshark sometimes fails to switch from the advertising channels 37, 38, 39 to the connection channels.

Does anyone know how to make Wireshark more reliable?

I have already reinstalled Wireshark. I have also tried removing all filters, which results in a lot of traffic, but you should still be able to see the connection packets if they were there. So that didn’t help either.
And i also tried to reinstall nrfutils and reflash the Dongle with hardware flowcontrol.

[Menon]

Hello,

I wanted to let you know that I am still working on this case and am inquiring internally to gather more details and identify the root cause of the issue. I will update you as soon as I have more information.

Apologies for the delayed response.

Kind regards,
Abhijith

[MTB]

Hello,

I observe a quite similar behaviour when trying to sniff like Tim. I would be eager to learn if there is any further advice!

Following a screenshot from the log: