With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cCdmaInvCheckSumPktDiscards
Cisco Cdma Invalid Check Sum Packet Discards
1.3.6.1.4.1.9.9.157.1.7.4.18
Total number of packets discarded from PCF because of invalid checksum since system was last restarted.
Back to CISCO-CDMA-PDSN-MIB MIB page.
IPHost Network monitor allows you to monitor cCdmaInvCheckSumPktDiscards 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.