To set up your router for fiber internet quickly, connect the router to your fiber modem, access the router's settings via a web browser, and input the provided ISP credentials. Make sure to update the firmware, configure Wi-Fi security, and customize your network name for. Yes, you can use a wireless router without an internet connection for local networking tasks such as file sharing, printer access, and communication between devices on the same network. Whether it is wired or wireless, you can go for it. As far as I understand, I need a PPPoE username and password to connect. Maybe I'm wrong and the connection. That's the kind of experience fiber-optic internet makes possible. In this article we'll break down how fiber internet is installed - from the network fiber drop outside your house to the in-home setup with your router and gateway - and what you should expect at each stage. With. raspberry pi CM 4 with the dfrobot dual gigabit carrier board (if you don't like dongles and prefer non-usb connection to the second network port) no WIFI, as using Internet provider's router/modem in bridge mode If you're in bridge mode, you won't be able to use the provider's router/modem's wifi.