With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cCdmaRpRegReqMaxSessionReachedErrs
Cisco Cdma Rp Registration Request Max Session Reached Errors
1.3.6.1.4.1.9.9.157.1.10.1.39
Registration request rejected because of maximum limit or configured number of session reached since system was last restarted
Back to CISCO-CDMA-PDSN-MIB MIB page.
IPHost Network monitor allows you to monitor cCdmaRpRegReqMaxSessionReachedErrs 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.