The D-Link DI-LB604 router is a load balancing device that can distribute traffic across multiple WAN connections. It features four WAN ports, one LAN port, and supports up to 250 simultaneous connections. The router also includes advanced security features such as VPN pass-through and SPI firewall protection. It is designed for small to medium-sized businesses and can help increase network reliability and performance by distributing traffic evenly across multiple connections.

The DI-LB604 is a router manufactured by the company D-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 192.168.0.1, 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 blank. 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.