AWS Transit Gateway and Cloud WAN add managed 1:1 NAT for overlapping CIDRs

Sat, 24 Oct 2026 14:11:23 +0000

Platform/SRE — Plan: This GA capability eliminates the need for a NAT appliance or IP renumbering when connecting networks with overlapping CIDRs — directly relevant if the org has pending M&A integration, partner VPN, or multicloud connectivity work blocked by address conflicts. Evaluate adding to the network-connectivity pattern for such scenarios this quarter.
CI/CD — Skip
Leader — Learn: Managed 1:1 NAT on Transit Gateway removes the appliance cost and renumbering complexity historically incurred during M&A network integration; worth noting as an option when assessing future acquisition or partner-connectivity scope.

Transit-Gateway on CuraDevOps