期待！这样某的机器也可以有 IPV6 接入啦。还是喜欢 ISATAP 方式，太简单了。
[root@prescott src]# bzgrep ISATAP patch-2.6.24-git19.bz2

+#define IFF_ISATAP 0x80 /* ISATAP interface (RFC4214) */
+#define SIT_ISATAP 0x0001

  • if (dev->type == ARPHRD_SIT && (dev->priv_flags & IFF_ISATAP)) {
  • if (dev->priv_flags & IFF_ISATAP)
      • ISATAP (draft-ietf-ngtrans-isatap-13.txt) 5.1
      • ISATAP (RFC4214) 6.1
  • if (dev->priv_flags & IFF_ISATAP) {
  • if (parms->i_flags & SIT_ISATAP)
  • dev->priv_flags |= IFF_ISATAP;
    +/* ISATAP (RFC4214) - check source address */
  • if ((tunnel->dev->priv_flags & IFF_ISATAP) &&
  • /* ISATAP (RFC4214) - must come before 6to4 */
  • if (dev->priv_flags & IFF_ISATAP) {