Overview

Fast Path Tunnelling (IPinIP) provides IPinIP tunnelling in the fast path.

Features

• IPv4 in IPv4 tunnelling
• IPv6 in IPv4 tunnelling
• IPv4 in IPv6 tunnelling
• IPv6 in IPv6 tunnelling

Dependencies

6WINDGate modules

• Fast Path Forwarding IPv4
• Fast Path Forwarding IPv6

Linux

• IPv4 over IPv4 and IPv6 over IPv4 on the same interface is a kernel patch (upstream 3.11).

  http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=32b8a8e59c9c

• Full Linux synchronization is a kernel patch (upstream 3.8).

  http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0974658da47c

  http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ba3e3f50a0e5

  http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c075b13098b3

• Cross-VRF support for IPv4/IPv6 over IPv4 is a kernel patch (upstream 3.11).

  http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5e6700b3bf98

• Cross-VRF support for IPv4/IPv6 over IPv6 is a kernel patch (upstream 3.12).

  http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0bd8762824e7