With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2DhcpRelayOption82State
Switch L2 Dhcp Relay Option82 State
1.3.6.1.4.1.171.11.70.5.2.8.4
This object indicates if the DHCP relay agent information option 82 function is enabled or disabled.
Back to DGS3200-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2DhcpRelayOption82State 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.