For regional external passthrough Network Load Balancers, reserving specific or automatically allocated bring your own...

For regional external passthrough Network Load Balancers, reserving specific or automatically allocated bring your own IP (BYOIP) IPv6 addresses before creating a load balancer, and promoting an ephemeral BYOIP IPv6 address in use by a load balancer to a reserved static IP address, is generally available (GA).

For more information, see the following documentation:

• Set up a regional external passthrough Network Load Balancer with a backend service. • Set up a regional external passthrough Network Load Balancer for multiple IP protocols • Set up a regional external passthrough Network Load Balancer with zonal NEGs