With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swQoSScheduleGroupTable
Switch Qos Schedule Group Table
1.3.6.1.4.1.171.12.61.3.11
A table that contains information about schedule group.
Back to QoS-MIB MIB page.
IPHost Network monitor allows you to monitor swQoSScheduleGroupTable 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 routers right now.