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. However, setting up a fiber optic connection to your router can seem daunting if you're unfamiliar with the process. However, if you're not accustomed to some of the jargon, like MAC cloning and PPPoE, you may encounter a few. Beginner's introduction and guide on how to install and set up a Fiber Optic network cable in your home or office.