Manual
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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 










