With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
stpxPreferredVlansTable
stpx Preferred Vlans Table
1.3.6.1.4.1.9.9.82.1.2.1
The table containing indications of which VLANs are preferred on which VLAN trunk ports. The preferred VLANs on a trunk port have a lower Path Cost value compared with the VLANs on the trunk not in the preferred list. If the value of stpxSpanningTreeType is neither pvstPlus(1) nor rapidPvstPlus(5), the configuration in this table has no effect.
Back to CISCO-STP-EXTENSIONS-MIB MIB page.
IPHost Network monitor allows you to monitor stpxPreferredVlansTable 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.
