#
# I have native IPv6 now and no longer maintain this file, but it still works.
#
# See ./interfaces-native for my shiny new simple file :)
#

# Used by ifup(8) and ifdown(8). See the interfaces(5) manpage or
# /usr/share/doc/ifupdown/examples for more information.

# Loopback
auto lo
iface lo inet loopback

# Main IP - 67.18.187.111
auto eth0
#iface eth0 inet dhcp 
iface eth0 inet static
    address 67.18.187.111
    gateway 67.18.187.1
    netmask 255.255.255.0

# Private IP - 192.168.130.4
auto eth0:0
iface eth0:0 inet static
    address 192.168.130.4
    netmask 255.255.128.0

# HE IPv6 tunnel - 2001:470:1f0f:b4::/64
#
# Server IPv4 address: 216.218.224.42
# Server IPv6 address: 2001:470:1f0e:b4::1/64
# Client IPv4 address: 67.18.187.111
# Client IPv6 address: 2001:470:1f0e:b4::2/64
# Routed /64:          2001:470:1f0f:b4::/64
#
# Based on a dozen different guides, plus experimentation.
#
# I switched from the remote/local/"endpoint any" scheme to this one to fix
# ping6ing the Server IPv6 address.
#
# Relevant links (aside from HE's instructions):
# http://davecoyle.com/documents/ubuntu-ipv6-he-tunnel.html
# http://www.linode.com/wiki/index.php/IPv6#Debian
# http://troyreynolds.com/linux/setting-up-debian-for-ipv6/
# http://ertius.org/docs/ipv6-tunnel-on-debian.html
# http://www.tunnelbroker.net/forums/index.php?topic=310.0
# http://pastebin.com/f5615dced (used by HoopyCat, but it didn't work for me)
# http://pastebin.com/f31e817e (HoopyCat says it works; ~same as mine)
# http://www.tunnelbroker.net/forums/index.php?topic=18.0
# http://forum.linode.com/viewtopic.php?t=5629
# http://www.davidc.net/networking/ipv6-source-address-selection-linux
auto he-ipv6
iface he-ipv6 inet6 v4tunnel
    address 2001:470:1f0e:b4::2
    netmask 64
    # Note: Most examples use 64, but HE's instructions used 255.
    ttl 255
    gateway 2001:470:1f0e:b4::1
    endpoint 216.218.224.42
    local 67.18.187.111

    # Note: "ip -6" and "ip" are both popular and both work for me.
    # Note: 2000::/3 and ::/0 are both popular and both work for me.
    # Note: I have heard this bit is just to work around a bug in certain
    # 2.6.20.x and 2.6.21.x kernels, but I have not confirmed it myself:
    # http://forum.linode.com/viewtopic.php?p=29651#29651
    up ip route add 2000::/3 dev he-ipv6
    down ip route flush dev he-ipv6

    # Prefer my primary IP address for outgoing connections.
    # Don't forget the other "preferred_lft 0" bits below!
    up ip addr change 2001:470:1f0e:b4::2/64 dev he-ipv6 preferred_lft 0 

    up ip addr add 2001:470:1f0f:b4::1/128 dev he-ipv6
    up ip addr add 2001:470:1f0f:b4::2/128 dev he-ipv6 preferred_lft 0
    up ip addr add 2001:470:1f0f:b4::123:1/128 dev he-ipv6 preferred_lft 0
    up ip addr add 2001:470:1f0f:b4:123::1/128 dev he-ipv6 preferred_lft 0
    up ip addr add 2001:470:1f0f:b4:443::1/128 dev he-ipv6 preferred_lft 0