Try this:
config t
logging level debugging security process authmgr
logging level debugging security subcat aaa
Then type "show log security 50" to see the results.
Nov 6 04:59:18 :124105: <DBUG> |authmgr| MM: mac=70:56:81:b2:cc:15, state=5, name=employee, role=Byod-Authenticated, dev_type=OS X, ipv4=0.0.0.0, ipv6=0.0.0.0, new_rec=1.
Nov 6 04:59:18 :124004: <DBUG> |authmgr| AUTH GSM: USER uuid(0x6), mac(70:56:81:b2:cc:15), name(employee), role(Byod-Authenticated), devtype(OS X), wired(0), auth_type(4), auth_subtype(9), encrypt_type(10), conn_port(0)
Nov 6 04:59:18 :124234: <DBUG> |authmgr| Tx message to Sibyte, blocking with ack, Opcode = 17, msglen = 204 action = 1
Nov 6 04:59:18 :124004: <DBUG> |authmgr| vlan_alloc_update (vlan_alloc.c:140): Vlan Alloc usage ; usage=10 vlan 1
Nov 6 04:59:18 :124004: <DBUG> |authmgr| AUTH GSM: DELETE MAC user 70:56:81:b2:cc:15
Nov 6 04:59:18 :124090: <DBUG> |authmgr| Free macuser 0x0x106a620c and user 0x0x10590e8c for mac 70:56:81:b2:cc:15.
Nov 6 04:59:18 :124004: <DBUG> |authmgr| AUTH GSM: USER DELETE uuid(0x6)
Nov 6 04:59:18 :121031: <DBUG> |authmgr| |aaa| [rc_request.c:76] Find Request: id=10, srv=192.168.1.32, fd=78
Nov 6 04:59:18 :121031: <DBUG> |authmgr| |aaa| [rc_request.c:82] Current entry: srv=192.168.1.32, fd=78
Nov 6 04:59:18 :121031: <DBUG> |authmgr| |aaa| [rc_request.c:37] Del Request: id=10, srv=192.168.1.32, fd=78
Nov 6 04:59:18 :121031: <DBUG> |authmgr| |aaa| [rc_api.c:1029] Authentication Successful
Nov 6 04:59:18 :121031: <DBUG> |authmgr| |aaa| [rc_api.c:1031] RADIUS RESPONSE ATTRIBUTES:
Nov 6 04:59:18 :121031: <DBUG> |authmgr| |aaa| [rc_api.c:1046] PW_RADIUS_ID: \012
Nov 6 04:59:18 :121031: <DBUG> |authmgr| |aaa| [rc_api.c:1046] Rad-Length: 20
Nov 6 04:59:18 :121031: <DBUG> |authmgr| |aaa| [rc_api.c:1046] PW_RADIUS_CODE: \005
Nov 6 04:59:18 :121031: <DBUG> |authmgr| |aaa| [rc_api.c:1046] PW_RAD_AUTHENTICATOR: \246\344t\273\364\305\003\020:|\227\351j\335Hi
Nov 6 04:59:18 :124003: <INFO> |authmgr| Authentication result=Authentication Successful(0), method=radius-accounting, server=cppm-192.168.1.32, user=70:56:81:b2:cc:15
Nov 6 04:59:18 :124004: <DBUG> |authmgr| Auth server 'cppm-192.168.1.32' response=0