I setup Cisco with Clearpass, see 'RADIUS Client did not complete EAP transaction' in Access Tracker .
2015-02-24 12:59:51,029 [Th 2 Req 189 SessId R00000076-01-54ecbc17] INFO RadiusServer.Radius - rlm_service: Starting Service Categorization - 48:250:5C-FF-35-03-11-C8
2015-02-24 12:59:51,033 [RequestHandler-1-0x7f5140360700 r=psauto-1423510654-247 h=79 r=R00000076-01-54ecbc17] INFO Core.ServiceReqHandler - Service classification result = cisco-wired
2015-02-24 12:59:51,034 [Th 2 Req 189 SessId R00000076-01-54ecbc17] INFO RadiusServer.Radius - rlm_service: The request has been categorized into service "cisco-wired"
2015-02-24 12:59:51,034 [Th 2 Req 189 SessId R00000076-01-54ecbc17] INFO RadiusServer.Radius - rlm_sql: searching for user netlab1 in Local:localhost
2015-02-24 12:59:51,036 [Th 2 Req 189 SessId R00000076-01-54ecbc17] INFO RadiusServer.Radius - rlm_sql: found user netlab1 in Local:localhost
2015-02-24 12:59:51,036 [Th 2 Req 189 SessId R00000076-01-54ecbc17] INFO RadiusServer.Radius - rlm_eap_peap: Initiate
2015-02-24 12:59:51,036 [Th 2 Req 189 SessId R00000076-01-54ecbc17] INFO RadiusServer.Radius - reqst_update_state: Access-Challenge 48:76:5C-FF-35-03-11-C8:0x0047004b0083001fbd0000001bda70bf1358e0ce17350f71f5092be5
2015-02-24 13:00:37,213 [main SessId R00000076-01-54ecbc17] ERROR RadiusServer.Radius - reqst_clean_list: Deleting request sessid - R00000076-01-54ecbc17, state - 0x0047004b0083001fbd0000001bda70bf1358e0ce17350f71f5092be5
2015-02-24 13:00:37,213 [main SessId R00000076-01-54ecbc17] ERROR RadiusServer.Radius - reqst_clean_list: Packet 48:250:76:5C-FF-35-03-11-C8 recv 1424800791.29406 - resp 1424800791.36481
See Cisco config below:
netlab-SW2#sh run | s aaa
aaa new-model
aaa group server radius CPS-group
server name CPS
aaa authentication login default local
aaa authentication dot1x default group radius
aaa authorization network default group radius
aaa accounting dot1x default start-stop group radius
aaa server radius dynamic-author
client 10.95.2.201 server-key takemeback
port 3576
auth-type all
aaa session-id common
netlab-SW2#sh run int f0/7
Building configuration...
Current configuration : 344 bytes
!
interface FastEthernet0/7
description PC-test
switchport access vlan 621
switchport mode access
authentication host-mode multi-auth
authentication open
authentication port-control auto
authentication periodic
authentication timer reauthenticate server
dot1x pae authenticator
dot1x timeout tx-period 10
spanning-tree portfast
end