Connecting hard drive though router

Try connecting the USB hard drive to the Mac or Windows computer and share it from there. 

Mac

http://wdc.custhelp.com/app/answers/detail/a_id/3788/session/L3RpbWUvMTMzMTM5OTM1MC9zaWQvSkl5S2JMU2s%3D

Windows

http://wdc.custhelp.com/app/answers/detail/a_id/3787/session/L3RpbWUvMTMzMTM5OTM1MC9zaWQvSkl5S2JMU2s%3D