With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
agentStatusFileTransfer
agent Status File Transfer
1.3.6.1.4.1.171.12.1.1.5
-- "status of firmware download control. If the value is 'other', -- means never firmware updated since device started up. Time scale is 5 seconds.The value will be between 0%(idle) and 100% (very busy).
Back to DLINK-AGENT-MIB MIB page.
IPHost Network monitor allows you to monitor agentStatusFileTransfer 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 access points right now.