In support case you maybe need to send us pcap trace from your system.
Add the steps involved:
Press CTRL+C to stop tracing.
With Windows you can use WinSPC to connect toT640/T440 and get the trace.
Importent use SCP protokol to conntect T640/T440. |
Copy trace.pcap from T640/T440 /home folder to your PC.
Now you can open this file with Wireshark or/and send it to us.