Since the firmware upgrade i have had issues with the router all the devices connect to either 2.4 or 5 just fine but after about 5 min if you are for example on the 5Mhz wireless you can only see...

@pdamasco did you get any resolution on the issues. Seems to be a bug with the two wireless system 2.4 and 5 they stop communicating between devices. Only resolution I have found to is to run 2.4...