The Netgear CG3100D-2 is a wireless cable modem router that supports DOCSIS 3.0 technology, making it compatible with most cable internet service providers. It offers fast download and upload speeds, as well as a built-in wireless access point that supports both 2.4GHz and 5GHz frequencies. The router also features four Ethernet ports for wired connections, as well as a USB port for network storage or printer sharing. The CG3100D-2 is easy to set up and manage using the web-based interface.

The CG3100D-2 is a router manufactured by the company Netgear 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 , 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 and . 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.