Your solution seems reasonable.
YOu may wish to download the UG for the zyxel VSG-1200, but you would need a separate WIFI device (G-3000 AP for example).
»
ftp://
ftp.zyxel.com/VSG-1200/d ··· uide.pdfExamples of flexibility of user access/payment options....
»
www.zyxel.com/support/su ··· 0401.pdf