Centos 6/ RedHat 6 connectivity for Openldap server without TLS/Kerberos

To enable Openldap clients on / Linux without tls follow the procedures below:

yum install nss-pam-ldapd (nss and pam modules using LDAP)
yum install pam_ldap (Pam-ldap)

authconfig –enableldap –enableldapauth –ldapserver=192.168.11.8 –ldapbasedn=dc=sachingopal,dc=net –disablesssdauth –updateall

or

you can use authconfig-gtk. Disable kerberos and you should able to login.