{"id":"nat-gateway-public-eip-source-only-via-igw","text":"A public NAT gateway uses its Elastic IP as source address only when routing through the internet gateway in the same VPC; when routing to transit gateway or virtual private gateway, the source is the NAT gateway's private IP.","truth_value":"IN","source":"entries/2026/03/08/vpc-nat-gateway.md","source_url":"","source_hash":"0561f5f1eb06f3fc","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"nat-gateway-public-eip-source-only-via-igw","truth_value":"IN","reason":"premise"}]}}