Thank you for the answer.
Its exactly what I need.
The only problem is that I have already a WD external 1.5TB that I bought 1 month ago. The USB port in my actiontec modem/router is useless!
I don't want to buy another HHD...!
Any kind of solution to use my WD external drive like the GoFlex? I know I could connect it in my laptop and share from there but I don't want to do that.
An USB hub with an ethernet port could be my solution?
Thank you very much!