I'm trying to track down what might be causing this issue and I'm running out of ideas to check.
I have been seeing this network error reported on Digital Watchdog Spectrum servers and on Wisenet Wave servers with both Vivotek and Hanwha cameras. In one situation, my Hanwha support rep sent over wireshark traces to nx support, but the issue was due to a number of TCP flags being thrown on large network that I don't manage, but I have seen this on isolated networks that hang off of a dedicated NIC on the server with only switches and cameras on that network.
I am often seeing this occur on one camera at a time which leads me to suspect its not a switch issue and usually there's two events with the same timestamp, but the second says it has happened 3 times. For example:
10/12/19 10:04 PM Network Issue - Front Entry ... Reason: No data received during last 11 seconds. (3 times)
10/12/19 10:04 PM Network Issue - Front Entry ... Reason: No data received during last 11 seconds.
I have scoured Windows event logs thoroughly and cannot find anything that occurs at the time of these events and in all situations, we're NOT running into a bottleneck with either the network or storage which would be reported as not enough SSD/HDD speed to record.
For many of our customers, the "outage" is short enough to not be an issue, so if we can't identify the root cause or it would take lots of effort to solve, is there at the very least a way we can work around this issue by increasing a threshold to 20-30 seconds to prevent our clients from being spammed by a ghost issue that we haven't been able to resolve yet?
Any support, guidance is appreciated.
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