With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwspLoadVcAvail
cwsp Load Vc Avail
1.3.6.1.4.1.351.140.1.2.13.1.1.13
The total number of available VCs of the interface.
Back to CISCO-WAN-SVC-MIB MIB page.
IPHost Network monitor allows you to monitor cwspLoadVcAvail on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.