6to4 is one mechanism used for the transition of IPv4 to IPv6, precisely to
route packets to an IPv6 network through an IPv4 network.
Let’s see how the IPv6 Internet knows how to route packets to your LAN with
6to4.
[/content/images/wordpress/2012/11/Problem3.png]Your IPv6
![[IPv6] How 6to4 works : from IPv6 Internet to your 2002::/16 LAN](https://images.unsplash.com/photo-1598046937895-2be846402c0d?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&ixid=MnwxMTc3M3wwfDF8c2VhcmNofDEyfHxwaWxsc3xlbnwwfHx8fDE2Njg0NDUwOTk&ixlib=rb-4.0.3&q=80&w=2000)