ErrorCounts (ERRCNT)
Server supports the counts for the number of errors that have occurred during the reception and transmission of packets on the Thread interface.
MacCounts (MACCNT)
Server supports the counts for various MAC layer happenings.
MleCounts (MLECNT)
Server supports the counts for various MLE layer happenings.
PacketCounts (PKTCNT)
Server supports the counts for the number of received and transmitted packets on the Thread interface.
These are optional features supported by ThreadNetworkDiagnosticsCluster.
See
MatterSpecification.v13.Core ยง 11.14.4