from /etc/ldap.conf

# This file should be world readable but not world writable.

BASE    dc=
URI     ldaps://192.168.0.1
URI     ldaps://192.168.0.3

I deleted the DN Suffix for my LDAP Tree

# ldapsearch -x -d 3
ldap_create
ldap_bind
ldap_simple_bind
ldap_sasl_bind
ldap_send_initial_request
ldap_new_connection 1 1 0
ldap_int_open_connection
ldap_connect_to_host: TCP localhost:389
ldap_new_socket: 3
ldap_prepare_socket: 3
ldap_connect_to_host: Trying 127.0.0.1:389
ldap_connect_timeout: fd: 3 tm: -1 async: 0
ldap_close_socket: 3
ldap_perror
ldap_bind: Can't contact LDAP server (-1)