Global external Application Load Balancers and global external proxy Network Load Balancers can now load balance IPv6 traffic
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## Feature
Global external Application Load Balancers and global external proxy Network Load Balancers can now load balance IPv6 traffic. The following backends support dual stack:
* VM instance group
* Zonal NEGs (GCE\_VM\_IP\_PORT)
You can now migrate the load balancer from IPv4 based deployments to dual stack (IPv4 and IPv6) deployments.
For details, see:
* [IPv6 termination for external Application Load Balancers and external proxy Network Load Balancers](https://cloud.google.com/load-balancing/docs/ipv6)
* [Migrate global external Application Load Balancer to dual-stack backends](https://cloud.google.com/load-balancing/docs/migrate-global-ext-https-dualstack)
* [Migrate global external proxy Network Load Balancers to dual-stack backends](https://cloud.google.com/load-balancing/docs/migrate-global-ext-proxy-dualstack)
This feature is available in **Preview**.