With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vlanTrunkMappingEntry
vlan Trunk Mapping Entry
1.3.6.1.4.1.9.5.1.9.8.1
particular trunk VLAN to another VLAN.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor vlanTrunkMappingEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.