AWS Transit Gateway and AWS Cloud WAN now support 1:1 NAT

AWS Transit Gateway ยท 2026-10-23

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Technical Details

Regions all
Cost Impact Neutral
IaC Impact High

What This Means

For DevOps Teams

Configure 1:1 NAT rules on AWS Transit Gateway and AWS Cloud WAN attachments to enable seamless communication between private networks with overlapping IP ranges, eliminating the need for renumbering or deploying NAT appliances, and reducing operational toil.

For Platform Teams

Integrate 1:1 NAT support in AWS Transit Gateway and AWS Cloud WAN to simplify network architecture, enhance connectivity between private networks, and reduce the complexity of managing overlapping IP ranges, leading to improved operational efficiency and cost optimization.

For Executives

Evaluate the new 1:1 NAT capability in AWS Transit Gateway and AWS Cloud WAN to streamline network integration, reduce operational overhead, and enhance connectivity between private networks with overlapping IP ranges, leading to improved efficiency and cost savings.

Source

View original AWS announcement โ†’

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