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IPv6 in VPC

Explore how to enable and configure IPv6 in an AWS Virtual Private Cloud. Understand the differences between IPv4 and IPv6, dual-stack operation, and how to update security groups. Learn the role of egress-only internet gateways in managing outbound IPv6 traffic for private instances within your VPC.

IPv6 is a successor of IPv4 that has a very large space of public IP addresses. We can enable IPv6 for our VPC and subnets initially enabled for IPv4 only. This way, our VPC will operate in dual-stack mode. IPv4 and IPv6 traffic flows without interacting, and the resources can communicate with each by using either IPv4 or IPv6 or both. ...