The TP-Link TD-8817 is a reliable and affordable ADSL2+ modem router that provides fast internet access to homes and small offices. It delivers up to 24Mbps downstream and 3.5Mbps upstream data transfer rates and supports Annex M for enhanced upstream performance. The router comes with NAT firewall and SPI firewall protection for network security and supports various VPN protocols for secure remote access. It also features QoS to prioritize bandwidth for smoother internet experience and supports up to 4 SSIDs for multiple wireless networks.

The TD-8817 is a router manufactured by the company TP-Link 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 admin. 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.