Find and enter the DHCP section. You can also configure. 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. Luigi Oppido is the Owner and Operator of Pleasure Point Computers in Santa Cruz, California. Now pick the IP range from which DHCP will pick IP addresses (for example 192. What. Dynamic Host Configuration Protocol (DHCP) is a client/server protocol that automatically provides an Internet Protocol (IP) host with its IP address and other related configuration information, such as the subnet mask and default gateway.