You have a customer who is implementing IPv6. OneFS supports both IPv4 and IPv6. To implement IPv6, you must do what first?

A.
Disable all IPv4 subnets first, and then configure IPv6.

B.
Configure IPv6 and set the OneFS policy to ignore IPv4 requests.

C.
Configure the initial external subnet to use IPv4. All additional external subnets can then be IPv6.

D.
Configure the initial internal subnet in IPv6, and then disable IPv4. All additional internal and external subnets can be IPv6.