Chapter 5. GRE and other tunnels
- Table of Contents
- 5.1. A few general remarks about tunnels:
- 5.2. IP in IP tunneling
- 5.3. GRE tunneling
- 5.3.1. IPv4 Tunneling
- 5.3.2. IPv6 Tunneling
- 5.4. Userland tunnels
There are 3 kinds of tunnels in Linux. There's IP in IP tunneling, GRE tunneling and tunnels that live outside the kernel (like, for example PPTP).