authing clients !!!

[emerson]

Pessoal,

i have a server linux running slackware 10.1, with freeradius 1.1.1 with auth eap/tls/ttls + openssl-0.97d
+ mysql.
My freeradius client is a ap wl-5460AP. When i try to authenticate any user on my freeradius, in logs appear this messages:

Fri May 26 09:06:07 2006 : Info: rlm_sql_mysql: Starting connect to MySQL server for #4
Fri May 26 09:06:07 2006 : Info: Ready to process requests.
Fri May 26 09:10:56 2006 : Info: rlm_eap_md5: Issuing Challenge
Fri May 26 09:10:56 2006 : Error:     TLS_accept:error in SSLv3 read client certificate A
Fri May 26 09:10:56 2006 : Error: TLS Alert read:fatal:unknown CA
Fri May 26 09:10:56 2006 : Error:     TLS_accept:failed in SSLv3 read client certificate A
Fri May 26 09:10:56 2006 : Error: rlm_eap_tls: SSL_read failed in a system call (-1), TLS session fails.
Fri May 26 09:10:56 2006 : Error: rlm_eap_tls: BIO_read failed in a system call (-1), TLS session fails.
Fri May 26 09:10:56 2006 : Auth: Login incorrect: [mobile/<no User-Password attribute>] (from client mslink-radius port 0 cli 0014a53c478d)
Fri May 26 09:35:44 2006 : Auth: Login incorrect: [joao/<no User-Password attribute>] (from client mslink-radius port 0 cli 0014a53c478d)

what it can be ?

thanks...

Emerson