https://aws.amazon.com/blogs/containers/amazon-eks-launches-ipv6-support/
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IPv6 support works for new and existing VPCs; you can opt in on a VPC-by-VPC basis.🔸
Each VPC is given an IPv4 address prefix (CIDR block size can be from /16 to /28) a unique /56 IPv6 address prefix (fixed) from within Amazon’s GUA (Global Unicast Address); you can assign a /64 address prefix to each subnet in your VPC.🔸
All the VPC features such as Security Groups, Route Tables, Network ACLs, Peering, and DNS resolution within a VPC all operate in the same way as IPv4.🔸
Every instance gets both IPv4 and IPv6 addresses, along with corresponding DNS entries. For a given instance, only a single IPv4 address from the VPC address range is consumed.#EKS #IPv6
