Problem with backing up NAS

Hello!

I have a NAS and obviously I cannot push an agent for BE 2012 to back up. There is a method for NDMP however I can't do that option.

So I setup symbolic links that goes to the folders on the NAS through a server that has the agent installed. I added the job for that server and checked the box "Back up files and directories by following symbolic links". But the job stays stuck for countless hours and nothing is done. Is there a way to solve this or is there another method?