Airport Extreme connected to Airport Extreme via Cat5
I would like to connect an N style Airport Extreme router to a New Airport Extreme AC router via Cat5 cable. I would like to be able to connect other devices to the N airport extreme using lan port on back as well as put portable hard drive on network.Would like this router to also extend wireless network. I am confused on setting, should I set to extend wireless network, set Bridge mode on or off, and should I wire AC router from LAN to Wan on N router?
Thanks for Help in advance