With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmiFaCoaInterfaceOnly
Cisco Mobile IP Foreign Agent Coa Interface Only
1.3.6.1.4.1.9.9.174.1.1.3.5.1.1
Specifies whether the FA interface associated with this CoA should advertise only this CoA or not. If it is true, all the other configured care-of-addresses will not be advertised.
Back to CISCO-MOBILE-IP-MIB MIB page.
IPHost Network monitor allows you to monitor cmiFaCoaInterfaceOnly on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.