With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
vcVlanEntryVpi
vc Vlan Entry Vpi
1.3.6.1.4.1.3646.1300.2.11.1.1.1
The VPI value of the VCL. The maximum VPI value cannot exceed the value allowable by the atmInterfaceMaxVpiBits.
Back to ASKEY-DSLAM-VC-VLAN-MIB MIB page.
IPHost Network monitor allows you to monitor vcVlanEntryVpi 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.