1. Check health plugin
2. Check for ReTX (retransmissions) ? Or are ReTX not the most important indicator that something might have been nog executed?
In the /rest-zigate/1/plugin-stat' there are a lot of variables

APSAck : 1547
APSFailure : 0
APSNck : 26
AvgTimeSpentInForwarder : 0
AvgTimeSpentInProcFrame : 0
AvgZiGateRoundTime8000 : 0
AvgZiGateRoundTime8011 : 0
AvgZiGateRoundTime8012 : 0
CRC : 0
Cluster : 1719
CurrentLoad : 0
Error : False
ForwardedQueueCurrentSize : 0
FrameErrors : 0
MaxApdu : 4
MaxLoad : 41
MaxNpdu : 3
MaxTimeSpentInForwarder : 0
MaxTimeSpentInProcFrame : 0
MaxZiGateRoundTime8000 : 0
MaxZiGateRoundTime8011 : 0
MaxZiGateRoundTime8012 : 0
PDMLoads : 0
ReTx : 0
Received : 8290
Rxph : 113,21
Rxpm : 1,89
Rxps : 0,03
Sent : 1664
StartTime : 1632385775
Trend : {@{Load=0; Rxps=0,03; Txps=0,01; _TS=51719}, @{Load=0; Rxps=0,03; Txps=0,01; _TS=51720}, @{Load=0; Rxps=0,03;
Txps=0,01; _TS=51721}, @{Load=0; Rxps=0,03; Txps=0,01; _TS=51722}...}
Txph : 22,72
Txpm : 0,38
Txps : 0,01
Uptime : 263617
WriterQueueCurrentSize : 0