To attach a VPN connection to your transit gateway, you must specify the customer gateway. For more information about the requirements for a customer gateway device, see Requirements for your customer gateway device in the AWS Site-to-Site VPN User Guide.

Step 3: Attach your VPN to the transit gateway When creating a transit gateway attachment: For Customer Gateway, choose Existing, and then select your customer gateway ID from the dropdown.; For Tunnel Options, you can optionally specify custom tunnel inside CIDR and pre-shared keys for your VPN tunnels.Otherwise, tunnel options are randomly generated. Set Up a Remote Access Tunnel (Client to Gateway) for VPN Dec 10, 2018 AWS VPN FAQs – Amazon Web Services A: VPN connection throughput can depend on multiple factors, such as the capability of your customer gateway, the capacity of your connection, average packet size, the protocol being used, TCP vs. UDP, and the network latency between your customer gateway and the virtual private gateway.

AWS Direct Connect vs VPN vs Direct Connect Gateway

What Is a VPN, and Why Would I Need One?

AWS VPC - What is the difference between Internet Gateway

A VPN gateway is a type of networking device that connects two or more devices or networks together in a VPN infrastructure. It is designed to bridge the connection or communication between two or more remote sites, networks or devices and/or to connect multiple VPNs together.