With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2IGMPSnoopingIpGroupReportCount
Switch L2 IGMP Snooping Ip Group Report Count
1.3.6.1.4.1.171.11.70.5.2.11.5.1.5
This object indicate how much report packet was receive by our device corresponding with this entry from IGMP function enabled, in per-Vlan basis.
Back to DES6500-SWL2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2IGMPSnoopingIpGroupReportCount 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 WiFi routers right now.