ip-fou(8) - phpMan

IP-FOU(8)                                     Linux                                     IP-FOU(8)

NAME
       ip-fou - Foo-over-UDP receive port configuration

       ip-gue - Generic UDP Encapsulation receive port configuration

SYNOPSIS
       ip [ OPTIONS ] fou  { COMMAND | help }

       ip fou add port PORT { gue | ipproto PROTO  } [ local IFADDR  ] [ peer IFADDR  ] [
               peer_port PORT  ] [ dev IFNAME  ]
       ip fou del port PORT [ local IFADDR  ] [ peer IFADDR  ] [ peer_port PORT  ] [ dev IFNAME
               ]
       ip fou show

DESCRIPTION
       The ip fou commands are used to create and delete receive ports for Foo-over-UDP (FOU) as
       well as Generic UDP Encapsulation (GUE).

       Foo-over-UDP allows encapsulating packets of an IP protocol directly over UDP. The re-
       ceiver infers the protocol of a packet received on a FOU UDP port to be the protocol con-
       figured for the port.

       Generic UDP Encapsulation (GUE) encapsulates packets of an IP protocol within UDP and an
       encapsulation header. The encapsulation header contains the IP protocol number for the en-
       capsulated packet.

       When creating a FOU or GUE receive port, the port number is specified in PORT argument. If
       FOU is used, the IP protocol number associated with the port is specified in PROTO argu-
       ment. You can bind a port to a local address/interface, by specifying the address in the
       local IFADDR argument or the device in the IFNAME argument. If you would like to connect
       the port, you can specify the peer address in the peer IFADDR argument and peer port in
       the peer_port PORT argument.

       A FOU or GUE receive port is deleted by specifying PORT in the delete command, as well as
       local address/interface or peer address/port (if set).

EXAMPLES
   Configure a FOU receive port for GRE bound to 7777
       # ip fou add port 7777 ipproto 47

   Configure a FOU receive port for IPIP bound to 8888
       # ip fou add port 8888 ipproto 4

   Configure a GUE receive port bound to 9999
       # ip fou add port 9999 gue

   Delete the GUE receive port bound to 9999
       # ip fou del port 9999

   Configure a FOU receive port for GRE bound to 1.2.3.4:7777
       # ip fou add port 7777 ipproto 47 local 1.2.3.4

SEE ALSO
       ip(8)

AUTHOR
       Tom Herbert <therbert AT google.com>

iproute2                                    2 Nov 2014                                  IP-FOU(8)

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