With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
agentFTPFileIndex
agent FTP File Index
1.3.6.1.4.1.171.12.1.2.21.1.1
The table index for the file entry. This object describes the file type runtime-code (1), log-file (2), cfg-file (3)
Back to AGENT-GENERAL-MIB MIB page.
IPHost Network monitor allows you to monitor agentFTPFileIndex 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 routers right now.