Hi, Now I am able to start the Radiusd without any errors. But I am getting the following messages when I initiate EAP-SIM request to free Radius rlm_pap: Found existing Auth-Type, not changing it. ++[pap] returns noop rad_check_password: Found Auth-Type EAP auth: type "EAP" +- entering group authenticate rlm_eap: EAP Identity rlm_eap: processing type sim can not initiate sim, no RAND1 attribute rlm_eap: Default EAP type sim failed in initiate rlm_eap: Failed in EAP select ++[eap] returns invalid auth: Failed to validate the user. Login incorrect: [dummy@cisco.com/<via Auth-Type = EAP>] (from client cisco port 0 cli dummy@cisco.com) Found Post-Auth-Type Reject +- entering group REJECT expand: %{User-Name} -> dummy@cisco.com attr_filter: Matched entry DEFAULT at line 11 ++[attr_filter.access_reject] returns updated Delaying reject of request 0 for 1 seconds Going to the next request Waking up in 0.9 seconds. Sending delayed reject for request 0 EAP-Message = 0x04010004 Message-Authenticator = 0x00000000000000000000000000000000 Waking up in 4.9 seconds. I have configures EAP -type as SIM in eap.conf Regards, Kalyani