With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swMSTPInstLastTopologyChange
Switch MSTP Inst Last Topology Change
1.3.6.1.4.1.171.12.15.2.3.1.21
The time (in hundredths of a second) since the last time a topology change was detected by the bridge entity.
Back to MSTP-MIB MIB page.
IPHost Network monitor allows you to monitor swMSTPInstLastTopologyChange 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 VPN routers right now.
