With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
dvmrpInterfaceMasterKeyVersion
dvmrp Interface Master Key Version
1.3.6.1.3.62.1.1.3.1.18
The highest version number of all known master keys used for authenticating neighbors on this interface.
Back to DVMRP-MIB MIB page.
IPHost Network monitor allows you to monitor dvmrpInterfaceMasterKeyVersion 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.