We have moved to single sign on thru the customer portal.
 

Please visit https://learning.ciena.com and after click the Customer/Partner Portal:
      

 
Enter with your portal user id and password in the Customer Portal.  If you don’t have a portal account, please create one.

If you can't get to the portal following the above you can visit  portal.ciena.com directly and login with your customer portal info.

Please email extranetsupport@ciena.com for portal login assistance.