vRealize Network Insight collects flow metrics for NSX-T manager.

Metric Name Metric API Name Description
Incomplete TCP Flow Drop Count flow.fiveTupleIncompleteTcp.delta.summation.number Number of five tuples (source IP address, source port, destination IP address, destination port, and protocol) dropped due to incomplete TCP flags.
Outbound Expire Flow Drop Count flow.fiveTupleExpireOutbound.delta.summation.number Number of five tuples dropped because of reaching the maximum outbound limit for source IP addresses in flows.
Wrong Collector Flow Drop Count flow.rawRecordReporterWrongCollector.delta.summation.number Number of raw flow records dropped as the flow records were reported on a wrong type of vRealize Network Insight collector.