centos 6 Openldap logging

#touch /var/log/openldap/ldap.log
Add new line to rsyslog configuration
#vi /etc/rsyslog.conf
#OpenLDAP local4.* /var/log/openldap/ldap.log

Now restart rsyslog and slapd ….
#service rsyslog restart
#service slapd restart

…and enjoy!
tail -f /var/log/openldap/ldap.log