With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vtpVlanEditParentVlan
vtp Vlan Edit Parent Vlan
1.3.6.1.4.1.9.9.46.1.4.2.1.10
The VLAN index of the VLAN which would be the parent for this VLAN. This object is only instantiated when the value of the corresponding instance of vtpVlanEditType has a value of 'fddi' or 'tokenRing' and Source Routing is in use on this VLAN. The parent VLAN must have a vtpVlanEditType value of fddiNet(4) or trNet(5), respectively.
Back to CISCO-VTP-MIB MIB page.
IPHost Network monitor allows you to monitor vtpVlanEditParentVlan 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.
