The Calix GS2020E router is a high-performance, multi-service gigabit Ethernet router for service provider networks. It features advanced routing and switching capabilities, with support for IPv4 and IPv6 protocols. The GS2020E offers flexible QoS and traffic management functions, enabling service providers to prioritize traffic and deliver high-quality services to end-users. It also includes advanced security features, such as IPsec VPN support and Denial of Service (DoS) protection, to ensure secure and reliable network operations.

The GS2020E is a router manufactured by the company Calix that allows multiple devices to connect to a network and communicate with each other. It works by receiving data packets from devices and forwarding them to their intended destination. The router is assigned a unique IP address 192.168.1.1, which serves as its identifier on the network.

To access the router's settings and configure its functions, users can log in using a web browser and their admin and created during setup. Once logged in, users can customize various settings such as network name, password, and security protocols. They can also set up parental controls, prioritize bandwidth usage, and monitor network activity.