Where is IPSec NAT-T support?

[Scott Ullrich]

On 9/4/06, Norikatsu Shigemura <nork at freebsd.org> wrote:
>         I'm finding IPSec NAT-Traversal support patch for 6-stable and
>         7-current.  But I could only find it for 6.0-R and 4-stable:-(.
>         Where is IPSec NAT-T support patch?
>         And why does IPSec NAT-T support be comitted into src tree?
>         NetBSD already supports IPSec NAT-Traversal.

When building the security/ipsec-tools package this gem is displayed:

===> -------------------------------------------------------------------------
===> ATTENTION: You need a kernel patch to enable NAT-Traversal functionality!
===> You can download the patch here:
===>     http://ipsec-tools.sf.net/freebsd6-natt.diff
===> You might possibly have to do some steps manually if it fails to apply.
===> -------------------------------------------------------------------------

However, it does not compile and work on RELENG_6_1.  I too would like
to see NAT-T support committed as its a commonly requested feature for
pfSense.   This would also benefit m0n0wall if it was committed.

Scott