With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vlanIfIndex
vlan If Index
1.3.6.1.4.1.9.5.1.9.2.1.3
MIB-II, for the interface corresponding to this VLAN. This object is deprecated and replaced by vtpVlanIfIndex in CISCO-VTP-MIB.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor vlanIfIndex 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.