With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swMSTPInstForwardDelay
Switch MSTP Inst Forward Delay
1.3.6.1.4.1.171.12.15.2.3.1.20
This value, controls how fast a port changes its spanning state when moving towards the Forwarding state. The value determines how long the port stays in each of the Listening and Learning states, which precede the Forwarding state. This value is also used, when a topology change has been detected and is underway, to age all dynamic entries in the Forwarding Database.
Back to MSTP-MIB MIB page.
IPHost Network monitor allows you to monitor swMSTPInstForwardDelay 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 WiFi routers right now.
