I installed pam,nss and ldap authentication.I have two rule host : 183 -- installed openldap server, 123-- installed openldap client.my ldap system works fine.But What i want to do is:when I login into SSH using ldap user, I want to them to change the password using ldappasswd but when I do that It asks for new password as well as LDAP Password.. I want user to change password without providing ldap password. 
ldappassword for user without ldap password prompt
ldap