I have gone through the link, I am bit confused if you have any example configuration steps for LDAP. It will be helpful for me.
Please find below more details
The complete setup is having two steps
1-->Aem insatlled and up and running
2-->Open Ldap installed and up and running
Step by Step procedure to configure OpenLDAP server with basic data
Ref Article: http://www.learnitguide.net/2016/01/configure-openldap-server-on-rhel7.html
AEM side config changes