With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swPoESystemPowerLimit
Switch PoE System Power Limit
1.3.6.1.4.1.171.12.24.1.1
The power budget (in watts) of the PoE sytem. The default setting is 370 W.
Back to PoE-MIB MIB page.
IPHost Network monitor allows you to monitor swPoESystemPowerLimit 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 VPN routers right now.