With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swSysLogServerIndex
Switch Sys Log Server Index
1.3.6.1.4.1.171.12.12.2.1.1
The index of System Log Server entry ,and is unique.
Back to DLINK-SYSLOG-MIB MIB page.
IPHost Network monitor allows you to monitor swSysLogServerIndex 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.