Chapter 10. Configuring IPv4-in-IPv6 tunnels

Table of Contents
10.1. Displaying existing tunnels
10.2. Setup of point-to-point tunnel
10.3. Removing point-to-point tunnels

RFC 2473 / Generic Packet Tunneling in IPv6 Specification specifies mechanisms to tunnel several different packet types over IPv6 including IPv4.

NOTE: Support for IPv4-in-IPv6 tunnel is available only since kernel version 2.6.22.