With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccfaAdvertisedDispatchTable
CISCO CASA Forwarding Agent Advertised Dispatch Table
1.3.6.1.4.1.9.9.115.1.4.2
This table correlates dispatch addresses with their corresponding advertised address.
Back to CISCO-CASA-FA-MIB MIB page.
IPHost Network monitor allows you to monitor ccfaAdvertisedDispatchTable 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.