NAT-PT on FreeBSD (or something else)?

[Wes Morgan]

On Mon, 27 Oct 2008, Randy Bush wrote:

>> I want to start a migration education to IPv6, setting up my internal
>> network to be 100% ipv6-only. I dont want it to be dual stacked,
>> because I intend to force my team to perform only IPv6 related tools
>> on the internal network. However, when performing internet activity
>> like, reading e-mail or browsing the web, its impossible to avoid IPv4
>> today.

Can't PF do this already?