adding 2.4ghz to existing 5ghz network for r610?
i'm a noob and don't want to screw up the current working network. what i currently have is 7 r610 APs all running a single SSID and they work great, and all are set for 5ghz.the problem is that new devices (eg. sonos) only run on 2.4Ghz and so i ne...