Status of official merge to BSD variants Current Status IPv4-IPsec IPv6 IPv6-IPsec KAME patch BSD/OS 3.1 No No No Yes BSD/OS 4.1 NRL NRL NRL Yes FreeBSD 2.2.8 No No No Yes FreeBSD 3.4 No No No Yes FreeBSD 4.0 KAME KAME KAME Yes FreeBSD-current KAME KAME KAME No NetBSD 1.4.2 No No No Yes NetBSD-current KAME KAME KAME No OpenBSD 2.6 OpenBSD No No Yes OpenBSD 2.7 OpenBSD KAME No Yes OpenBSD-current OpenBSD KAME OpenBSD No Future Plans IPv4-IPsec IPv6 IPv6-IPsec KAME patch BSD/OS 4.2 KAME KAME KAME maybe NetBSD 1.5 KAME KAME KAME maybe