With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
tokenRingMLHistoryNAUNChanges
token Ring ML History NAUN Changes
1.3.6.1.2.1.16.2.3.1.14
The total number of NAUN changes detected by the probe during this sampling interval.
Back to TOKEN-RING-RMON-MIB MIB page.
IPHost Network monitor allows you to monitor tokenRingMLHistoryNAUNChanges on D-Link device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring D-Link access points right now.