<config>
...
 <useldapserver>1</useldapserver>

<ldapserver id="ldapserver">
        <hostname>IPADDRESS</hostname>
        <base>dc=domain,dc=cl</base>
        <user>uid=kohaRO,ou=internal,dc=domain,dc=cl</user>
        <pass>topsecret</pass>
        <replicate>0</replicate>
        <update>0</update>
        <update_password>0</update_password>
        <auth_by_bind>1</auth_by_bind>
        <anonymous_bind>0</anonymous_bind> <
        <mapping>
                <firstname is="givenName"></firstname>
                <surname is="sn"></surname>
                <userid is="uid"></userid>
                <password is="userPassword"></password>
        </mapping>
</ldapserver>