The EAP-FAST protocol is a publicly accessible IEEE 802.1X EAP type that Cisco developed to support customers that cannot enforce a strong password policy and want to deploy an 802.1X EAP type that does not require digital certificates. EAP-FAST is also designed for simplicity of deployment since it does not require a certificate on the wireless LAN client or on the RADIUS infrastructure yet incorporates a built-in provisioning mechanism. Reference: https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-fixed/72788- CSSC-Deployment-Guide.html