With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2IGMPInfoTxQueryCount
Switch L2 IGMP Info Tx Query Count
1.3.6.1.4.1.171.11.70.5.2.11.4.1.3
This object indicates the send count of IGMP query messages, in per-VLAN basis. In case of IGMP timer expiration, the switch sends IGMP query packets to related VLAN member ports and increment this object by 1.
Back to DES3552-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2IGMPInfoTxQueryCount 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 VPN routers right now.