With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vtpVlanNotifEnabledGroup
vtp Vlan Notification Enabled Group
1.3.6.1.4.1.9.9.46.3.2.24
A collection of objects to indicate whether a certain group of notifications are enabled.
Back to CISCO-VTP-MIB MIB page.
IPHost Network monitor allows you to monitor vtpVlanNotifEnabledGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.