With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cd11IfDesiredBssEntry
Cisco DOT11 Interfaces Desired Bss Entry
1.3.6.1.4.1.9.9.272.1.1.1.5.1
Each entry provides the MAC address of a preferred access point. A maximum of 4 BSS addresses can be configured to an interface.
Back to CISCO-DOT11-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cd11IfDesiredBssEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.