With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cCdmaRegReqInvMNIDTypeErrs
Cisco Cdma Registration Request Invalid MNID Type Errors
1.3.6.1.4.1.9.9.157.1.10.1.9
Invalid MN ID type in the Registration Request since system was last restarted
Back to CISCO-CDMA-PDSN-MIB MIB page.
IPHost Network monitor allows you to monitor cCdmaRegReqInvMNIDTypeErrs 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.