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Npcap 0.993-0.9986 spontaneously stops capturing; all packets go to ps_drop #1891
We have an intermittent issue with Npcap running on the customer's VMware Windows Server 2016 machines. Initially everything works well and captures the traffic as expected, but eventually, despite pcap_dispatch() being called regularly and not returning errors, the traffic capture stops and all new packets seen by the adapter end up in pcap_stat::ps_drop. We have not been able to identify what triggers this problem.
Broadly, our product operates as follows:
A few observations:
Relevant output of
Thanks again for the report. I have a few questions to help us narrow down what might be happening, since we have not yet been able to reproduce the issue here:
Thanks for any additional info you can provide.