With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swSingleIPRoleState
Switch Single IP Role State
1.3.6.1.4.1.171.12.8.1.2.2
This object indicates the role state of the switch system.
Back to SINGLE-IP-MIB MIB page.
IPHost Network monitor allows you to monitor swSingleIPRoleState 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.