With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
haCounterTable
ha Counter Table
1.3.6.1.2.1.44.1.6.3.2
A table containing registration statistics for all mobile nodes authorized to use this home agent.
Back to MIP-MIB MIB page.
IPHost Network monitor allows you to monitor haCounterTable 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.