With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cDot11CscMnInactivityTime
Cisco Dot11 Csc Mn Inactivity Time
1.3.6.1.4.1.9.10.109.1.1.6
The maximum time a mobile node can remain associated with this 802.11 station without sending a frame.
Back to CISCO-DOT11-CONTEXT-SERVICES-CLIENT-MIB MIB page.
IPHost Network monitor allows you to monitor cDot11CscMnInactivityTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.