
Configuring Access Point Security 6-63
3. Use the TTLS/PEAP Configuration field to specify the Radius Server default EAP type, 
EAP authentication type and a Server or CA certificate (if used). 
LDAP If LDAP is selected, the switch will use the data in an LDAP server. 
Configure the LDAP server settings on the LDAP screen under 
RADIUS Server on the menu tree. For more information, see 
Configuring LDAP Authentication on page 6-65.
EAP Type Use the EAP Type checkboxes to enable the default EAP type(s) for 
the RADIUS server. Options include:
• PEAP - Select the PEAP checkbox to enable both PEAP 
types (GTC and MSCHAP-V2) available to the AP-5131. 
PEAP uses a TLS layer on top of EAP as a carrier for 
other EAP modules. PEAP is an ideal choice for 
networks using legacy EAP authentication methods. 
• TTLS - Select the TTLS checkbox to enable all three 
TTLS types (MD5, PAP and MSCHAP-V2) available to 
the AP-5131.TTLS is similar to EAP-TLS, but the client 
authentication portion of the protocol is not performed 
until after a secure transport tunnel is established. This 
allows EAP-TTLS to protect legacy authentication 
methods used by some RADIUS servers.
• TLS - The TLS checkbox  is selected but disabled by 
default and resides in the background as it does not 
contain user configurable parameters.