With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2FilterAddrMacIndex
Switch L2 Filter Address Mac Index
1.3.6.1.4.1.171.11.70.5.2.6.3.1.2
This object indicates a unicast/multicast MAC address for which the switch has filtering information . But if the swL2FilterAddrState = src-addr then the object can not be a multicast MAC address .
Back to DHS3224-MIB MIB page.
IPHost Network monitor allows you to monitor swL2FilterAddrMacIndex 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.