I've take a look at your radius.conf.

I can only say that i have a Radius+LDAP+EAP-ttls (pap)
configuratio working in authorize section
ldap is uncommnet in authenticate section
Auth-Type LDAP {
    ldap
} is uncommented, i have no ldap_1x modules enabled.

this way it works with crypt (md5) hash password.

Bye

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-- 
CK Tan
IT Manager

Optical Communication Engineering S/B
19, Jalan Semangat,
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Tel: +60 3 76808000   EXT:1205
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H/P: +60 12 9033077
email: cktan@ocesb.com.my