With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rmIfScNumPvxConns
Cisco Resource Management If Service Category Number Pvx Connections
1.3.6.1.4.1.9.10.10.1.4.1.1.7
The number of permanent connections (VC or VP) of this Service Category currently allocated on the interface.
Back to CISCO-ATM-RM-MIB MIB page.
IPHost Network monitor allows you to monitor rmIfScNumPvxConns 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.