With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
stpxMISTPInstanceVlansMapped4k
stpx MISTP Instance Vlans Mapped4k
1.3.6.1.4.1.9.9.82.1.7.2.1.6
A string of octets containing one bit per VLAN for VLANS with VlanIndex values of 3072 through 4095. The first octet corresponds to VLANs with VlanIndex values of 3072 through 3079; the second octet to VLANs 3080 through 3087; etc. The most significant bit of each octet corresponds to the lowest value VlanIndex in that octet. For each VLAN, if it is mapped to this MISTP instance, then the bit corresponding to that VLAN is set to '1'. This object is only instantiated on devices with support for VlanIndex up to 4095.
Back to CISCO-STP-EXTENSIONS-MIB MIB page.
IPHost Network monitor allows you to monitor stpxMISTPInstanceVlansMapped4k on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.
