With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
stpxSMSTInstanceEditEntry
stpx SMST Instance Edit Entry
1.3.6.1.4.1.9.9.82.1.14.6.1
A conceptual row containing MST instance information in the Edit Buffer. The total number of entries in this table has to be less than or equal to the object value of stpxSMSTMaxInstances.
Back to CISCO-STP-EXTENSIONS-MIB MIB page.
IPHost Network monitor allows you to monitor stpxSMSTInstanceEditEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.
