With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvMIBVrfGroup
Cisco Voice MIB Vrf Group
1.3.6.1.4.1.9.9.711.2.1.1
Collection of objects needed for VRF and VRF-Lite management.
Back to CISCO-VRF-MIB MIB page.
IPHost Network monitor allows you to monitor cvMIBVrfGroup 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.