With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swQoSBandwidthRadiusRxRate
Switch Qos Bandwidth Radius Rx Rate
1.3.6.1.4.1.171.12.61.3.1.1.4
The Rx Rate value comes from the RADIUS server, If an 802.1X port is authenticated, this value will overwrite the locally configured Rx Rate.
Back to QoS-MIB MIB page.
IPHost Network monitor allows you to monitor swQoSBandwidthRadiusRxRate 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.