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 optimal performance. With. There are three main categories of strategies for extending your Internet connection to an outbuilding. Since fiber. 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.