2e02b02023d30506b30eb4b2f23188984fa95c06
- Add Amazon-provided IPv6 /56 CIDR block with auto-carved /64 per subnet - Add Egress-Only Internet Gateway for free IPv6 outbound from private subnets - Add IPv6 routes: public subnets via IGW, private subnets via EOIGW - Add IPv6 NACL entries for subnet tier 2 - Add DynamoDB gateway endpoint (free, alongside existing S3) - Add 6 interface endpoints: ECR, ECR Docker, CloudWatch Logs, STS, Secrets Manager, SSM with shared security group - Add enableIpv6 prop (default true) and interfaceEndpoints config - Update VPC stack with context params for all new features - Include design doc and implementation plan Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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