With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cDot11AssStatsDisassociated
Cisco Dot11 Ass Statistics Disassociated
1.3.6.1.4.1.9.9.273.1.1.3.1.6
This object counts the number of stations disassociated with this device on this interface since device re-started.
Back to CISCO-DOT11-ASSOCIATION-MIB MIB page.
IPHost Network monitor allows you to monitor cDot11AssStatsDisassociated 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.