With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swDHCPRelayOption82RemoteIDType
Switch DHCP Relay Option82 Remote ID Type
1.3.6.1.4.1.171.12.42.3.2.4
This object indicates the type of remote ID. If the type is default, the remote ID will be the MAC address of the device. Otherwise, the remote ID can be defined by writing to the swDHCPRelayOption82RemoteID object.
Back to DHCP-RELAY-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swDHCPRelayOption82RemoteIDType 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 IP cameras right now.