AWS vpc: Add 1:1 NAT for transit gateways to doc history
Summary
Adds a documentation history entry announcing the 1:1 NAT feature for transit gateways, which translates IPv4 addresses so networks with overlapping CIDRs can communicate.
Security assessment
This is a changelog entry announcing a new networking feature (1:1 NAT for overlapping CIDRs). It is a feature announcement, not a security fix or security guidance.
Evidence
+[1:1 NAT for transit gateways](https://docs.aws.amazon.com/vpc/latest/tgw/tgw-nat.html)| Use 1:1 NAT to translate IPv4 addresses at the transit gateway, so that networks with overlapping CIDRs can communicate without being re-addressed.| October 22, 2026
Diff
diff --git a/vpc/latest/tgw/doc-history.md b/vpc/latest/tgw/doc-history.md index 0ff8874..babcd27 100644 --- a//vpc/latest/tgw/doc-history.md +++ b//vpc/latest/tgw/doc-history.md @@ -12,0 +13 @@ Change| Description| Date +[1:1 NAT for transit gateways](https://docs.aws.amazon.com/vpc/latest/tgw/tgw-nat.html)| Use 1:1 NAT to translate IPv4 addresses at the transit gateway, so that networks with overlapping CIDRs can communicate without being re-addressed.| October 22, 2026