With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvForwNeighborVersion
Cisco Voice Forw Neighbor Version
1.3.6.1.4.1.9.9.17.1.2.3
The version number of the neighbor table, cvForwNeighborTable, incremented each time a route or path is added or deleted.
Back to CISCO-VINES-MIB MIB page.
IPHost Network monitor allows you to monitor cvForwNeighborVersion 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.