OverviewHow Dual-Stack networking works on FPT Cloud — run IPv4 and IPv6 together across VPC, Subnet, and Instance.›Requirements and PreparationCheck the prerequisites, permissions, and limits before enabling IPv6 Dual-Stack.›Quick Start: Enable IPv6Get an Instance with an IPv6 address in about 10 minutes: create a dual-stack Subnet and an Instance.›Request a Dual-Stack VPCHow to prepare information and contact FPT Cloud to get a dual-stack VPC in Phase 1.›Create a Dual-Stack SubnetCreate a subnet that supports both IPv4 and IPv6 so Instances receive an IPv6 address via DHCPv6.›Create a Dual-Stack InstanceCreate an Instance that receives both IPv4 and IPv6 by selecting a dual-stack subnet.›Add an IPv6 NICAttach an additional NIC with an IPv6 address to a running Instance.›Configure IPv6 Security Group RulesCreate Security Group rules to control inbound and outbound IPv6 traffic for your Instances.›Reference: Dual-Stack FieldsReference for the IPv6 fields shown on each Console Portal screen.›Troubleshooting and FAQFix common IPv6 Dual-Stack errors and find answers to frequently asked questions.›