With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
askeyIgmpSnoopEntry
askey Igmp Snoop Entry
1.3.6.1.4.1.3646.1300.2.3.1.4.1
Displays by VLAN, Multicast Group, and Multicast receive port (which is always 0 for TMS) the set of ports enabled to forward Multicast Group traffic as determined by the IGMP Snooping task.
Back to ASKEY-IGMP-SNOOP-MIB MIB page.
IPHost Network monitor allows you to monitor askeyIgmpSnoopEntry 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.
