Starting with 7.6.4, AirWave can perform basic monitoring of ClearPass (cpu/memory usage, syslog, traps).
1) In AMP, under Device Setup, click Add.
2) Select Aruba ClearPass Policy Manager from the drop down and click Add
3) Fill in the connection details (IP address, SNMP community string) and then assign it to a group
SNMP for CPPM can be configured under Administration > Server Manager > Server Configuration > System Monitoring.