I am trying to configure VLANs for my WiFi and I am having problems and I am not sure if its the WiFi system, the HP switch or the Sophos SG135w UTM 9. I currently have 6 AP's to cover the whole site, 3 x UniFi AP and 3 x UniFi AP-Pro they end up in…

Hi everyone, I know there are threads addressing Chromecast issues, but I have tried all of the suggestions in those threads and can't seem to get mine working with the UTM. My HP printer, cell phone, and Mac Book all pick up wifi just fine, but Chromecast…