Chapter 8. Configuring IPv6-in-IPv4 tunnels

Table of Contents
8.1. Types of tunnels
8.1.1. Static point-to-point tunneling: 6bone
8.1.2. Automatically tunneling
8.1.3. 6to4-Tunneling
8.2. Displaying existing tunnels
8.2.1. Using "ip"
8.2.2. Using "route"
8.3. Setup of point-to-point tunnel
8.3.1. Add point-to-point tunnels
8.3.2. Removing point-to-point tunnels
8.3.3. Numbered point-to-point tunnels
8.4. Setup of 6to4 tunnels
8.4.1. Add a 6to4 tunnel
8.4.2. Remove a 6to4 tunnel

If you want to leave your link you have no IPv6 capable network around you, you need IPv6-in-IPv4 tunneling to reach the World Wide IPv6-Internet.

There are some kind of tunnel mechanism and also some possibilities to setup tunnels.