Amazon Elastic Compute Cloud Update: Adds a new VPC Subnet attribute "EnableDns64." When enabled on IPv6 Subnets, the Amazon-Provided DNS Resolver returns synthetic IPv6 addresses for IPv4-only destinations.

Author: AWS

.changes/next-release/feature-AmazonElasticComputeCloud-7323dd8.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "Amazon Elastic Compute Cloud",
+    "contributor": "",
+    "description": "Adds a new VPC Subnet attribute \"EnableDns64.\" When enabled on IPv6 Subnets, the Amazon-Provided DNS Resolver returns synthetic IPv6 addresses for IPv4-only destinations."
+}

services/ec2/src/main/resources/codegen-resources/service-2.json

@@ -32548,6 +32548,10 @@
         "CustomerOwnedIpv4Pool":{
           "shape":"CoipPoolId",
           "documentation":"<p>The customer-owned IPv4 address pool associated with the subnet.</p> <p>You must set this value when you specify <code>true</code> for <code>MapCustomerOwnedIpOnLaunch</code>.</p>"
+        },
+        "EnableDns64":{
+          "shape":"AttributeBooleanValue",
+          "documentation":"<p>Indicates whether DNS queries made to the Amazon-provided DNS Resolver in this subnet should return synthetic IPv6 addresses for IPv4-only destinations.</p>"
         }
       }
     },
@@ -41894,6 +41898,11 @@
           "shape":"String",
           "documentation":"<p>The Amazon Resource Name (ARN) of the Outpost.</p>",
           "locationName":"outpostArn"
+        },
+        "EnableDns64":{
+          "shape":"Boolean",
+          "documentation":"<p>Indicates whether DNS queries made to the Amazon-provided DNS Resolver in this subnet should return synthetic IPv6 addresses for IPv4-only destinations.</p>",
+          "locationName":"enableDns64"
         }
       },
       "documentation":"<p>Describes a subnet.</p>"