Answer:
IPv6-over-IPv4
Explanation:
IPv6-over-IPv4 is the IPv6 transition technology that creates the tunnel to carry IPv6 traffic over IPv4 internet. netsh is the command used to manually create the tunnel to carry IPv6 traffic over IPv4 internet. This is a tunneling protocol in which the IPv6 packets are encapsulated in the IPv4 links. This is also called 6in4. This protocol doesn't have Security Features and thus can be hacked by methods like Spoofing etc.
