QTECH QSW-3400 Инструкция по настройке - Manual (Page 327)

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In EAP relay, if any authentication method in EAP-MD5, EAP-TLS, EAP-TTLS and
PEAP is adopted, the authentication methods of the supplicant system and the
RADIUS server should be the same.
1. EAP-MD5 Authentication Method
EAP-MD5 is an IETF open standard which providing the least security, since MD5 Hash
function is vulnerable to dictionary attacks.
The following figure illustrated the basic operation flow of the EAP-MD5 authentication method.
the Authentication Flow of 802.1x EAP-MD5
2. EAP-TLS Authentication Method
EAP-TLS is brought up by Microsoft based on EAP and TLS protocols. It uses PKI to protect
the id authentication between the supplicant system and the RADIUS server and the
dynamically generated session keys, requiring both the supplicant system and the Radius