I have an ER605 without a controller. It's connected to a SkyWifi SR203 FTTC with Dynamic IP. There's also another internet connection. When the connection to the SR203 goes down, if you connect to it

I am using an ER605 without a controller. My network setup is as follows: WAN: Zyxel FWA710. Setup with Dynamic IP. FWA is setup in IP Passthrough Mode. WAN1: Sky SR203 FTTC. Also setup with Dynamic I