With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
haIDMismatch
ha ID Mismatch
1.3.6.1.2.1.44.1.6.3.10
Total number of Registration Requests denied by home agent -- Identification mismatch (Code 133).
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IPHost Network monitor allows you to monitor haIDMismatch 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.