Crazy Question - IPv6 to IPv4 and vice versa

Tue Sep 2 20:03:10 UTC 2008

On 2008/09/02 10:06, Michael K. Smith - Adhost wrote:
> I'm wondering if it would be possible to create a mapping between
> an "outside" IPv6 address and an "inside" IPv4 NAT (or round-robin
> group, to take it to the next logical step) or vice versa?  This
> would be on a FreeBSD 7.0 installation.  As a second note, if it's
> not supported now would it be possible to add this support?

it's not possible in-kernel but on OpenBSD this is now supported
in userland by relayd. There's an article about it on undeadly.org,
http://undeadly.org/cgi?action=article&sid=20080724184757

however I don't know if PF on FreeBSD is at a level that can
support this.