With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swWebAuthAuthStatus
sw Web Authentication Authorization Status
This object indicates whether the current port is authenticated or not.
Back to WebBase-Access-Control-MIB MIB page.
IPHost Network monitor allows you to monitor swWebAuthAuthStatus 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 switches right now.