Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
A router is a networking device that forwards data packets between computer networks. It determines the best path for data to travel from the source to the destination based on network conditions and routing tables.
Related terms
Switch: A switch is a networking device that connects multiple devices within a local area network (LAN). It acts like a junction box, allowing devices to communicate with each other directly.
Gateway: A gateway is a device or software that connects different types of networks together, enabling communication between them. It's similar to an airport where people can transfer between different flights.
An IP address is a unique numerical label assigned to each device connected to a computer network. It serves as an identifier, allowing routers to route data packets accurately based on their destination addresses.