With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
clcrDot11StatsTable
LWAPP Client Roaming Dot11 Stats Table
1.3.6.1.4.1.9.9.523.1.4.1
This table populates the statistics collected when the client roamed in the WLAN. There exists a row in this table for each conceptual row in cLApDot11IfTable that represents a dot11 interface of an AP.
Back to CISCO-LWAPP-CLIENT-ROAMING-MIB MIB page.
IPHost Network monitor allows you to monitor clcrDot11StatsTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.