With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
stpxMSTPortOperLinkType
stpx MST Port Operational Link Type
1.3.6.1.4.1.9.9.82.1.11.11.1.3
Indicates the operational link type of a bridge port for the MST protocol. pointToPoint -- the port is operationally connected to a point-to-point link. shared -- the port is operationally connected to a shared medium. other -- none of the above. This object is only instantiated when the object value of stpxSpanningTreeType is mst(4). stpxMSTPortOperLinkType is deprecated and replaced with stpxRSTPPortOperLinkType.
Back to CISCO-STP-EXTENSIONS-MIB MIB page.
IPHost Network monitor allows you to monitor stpxMSTPortOperLinkType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.