With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL2DhcpRelayState
Switch L2 Dhcp Relay State
1.3.6.1.4.1.171.11.70.5.2.8.1
This object indicates if the DHCP relay function is enabled or disabled.
Back to DGS3200-L2MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL2DhcpRelayState 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.
