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A VPN concentrator is a type of networking device that provides secure creation of VPN connections and delivery of messages between VPN nodes.
It is a type of router device, built specifically for creating and managing VPN communication infrastructures.
A VPN concentrator primarily adds the capabilities of a VPN router by adding advanced data and network security to the communications. It has the ability to create and manage a large quantity of VPN tunnels.
A VPN concentrator is typically used for creating site-to-site VPN architectures. It can: