There is no firewall between the switch and the server. The ClearPass server is connected to the same switch that the test PC is on. In ClearPass policy manager, the device was added using the correct phrase and the same coa port with correct vendor selected.
HP-3800-48G-PoEP-4SFP+# show radius
Status and Counters - General RADIUS Information
Deadtime(min) : 0
Timeout(secs) : 5
Retransmit Attempts : 3
Global Encryption Key : arubaiswarm
Dynamic Authorization UDP Port : 3799
Source IP Selection : Outgoing Interface
Auth Acct DM/ Time |
Server IP Addr Port Port CoA Window | Encryption Key OOBM
--------------- ---- ---- --- ------ + -------------------------------- ----
10.0.0.156 1812 1813 Yes 300 | arubaiswarm No