With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cCdmaRegReqMemFailErrs
Cisco Cdma Registration Request Memory Fail Errors
1.3.6.1.4.1.9.9.157.1.10.1.38
Registration Request discarded due to memory allocation failure during processing since system was last restarted
Back to CISCO-CDMA-PDSN-MIB MIB page.
IPHost Network monitor allows you to monitor cCdmaRegReqMemFailErrs on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.