Tunneling

Last changed: 2009/02/07 17:26 

 

This revision is from 2009/02/07 16:22. You can Restore it.

Alejo Duque


Linux Kernel v2.6.21-gentoo Configuration
 IP: tunneling
  x CONFIG_NET_IPIP:                                                                                                                 x  
  x                                                                                                                                  x  
  x Tunneling means encapsulating data of one protocol type within                                                                   x  
  x another protocol and sending it over a channel that understands the                                                              x  
  x encapsulating protocol. This particular tunneling driver implements                                                              x  
  x encapsulation of IP within IP, which sounds kind of pointless, but                                                               x  
  x can be useful if you want to make your (or some other) machine                                                                   x  
  x appear on a different network than it physically is, or to use                                                                   x  
  x mobile-IP facilities (allowing laptops to seamlessly move between                                                                x  
  x networks without changing their IP addresses).                                                                                   x  
  x                                                                                                                                  x  
  x Saying Y to this option will produce two modules ( = code which can                                                              x  
  x be inserted in and removed from the running kernel whenever you                                                                  x  
  x want). Most people won't need this and can say N.                                                                                x  
  x                                                                                                                                  x  
  x Symbol: NET_IPIP [=n]                                                                                                            x  
  x Prompt: IP: tunneling                                                                                                            x  
  x   Defined at net/ipv4/Kconfig:230                                                                                                x  
  x   Depends on: NET && INET                                                                                                        x  
  x   Location:                                                                                                                      x  
  x     -> Networking                                                                                                                x  
  x       -> Networking support (NET [=y])                                                                                           x  
  x         -> Networking options                                                                                                    x  
  x           -> TCP/IP networking (INET [=y])                                                                                       x  
  x   Selects: INET_TUNNEL