Try a different stand alone firmware on the R600s. I use Release 104.0.0.0.1347 (Solo AP). Then if it does not show in the SZ, do your set scg command and it will show up.
We use a Bradford Networks NAC. We have the same problem when our Clients connect to our Ruckus environment and the Bradford authentication page does not pop up. We have to have instructions telling them to open a browser and go to a website they h...