With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2VlanIndex
Switch L2 Vlan Index
1.3.6.1.4.1.171.11.70.5.2.19.1.1.1
The VLAN ID of the VLAN to be created. The range is 1 - 4094.
Back to DGS3612-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2VlanIndex 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 switches right now.