With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
stpxMSTInstanceEditEntry
stpx MST Instance Edit Entry
1.3.6.1.4.1.9.9.82.1.11.9.1
A conceptual row containing MST instance information in the Edit Buffer.
Back to CISCO-STP-EXTENSIONS-MIB MIB page.
IPHost Network monitor allows you to monitor stpxMSTInstanceEditEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.