IPv6 tunnel from Hurricane Electric on Debian Squeeze

17 December 2011

Sign up for a IPv6 tunnel from Hurricane Electric.

Edit /etc/network/interfaces

auto tnl0
iface tnl0 inet6 v4tunnel
        address 	2001:db8::2
        netmask 64
        ttl 64
        endpoint 192.0.2.1
        gateway 	2001:db8::1

        #IPv6 MTU = IPv4 MTU - 20 bytes (protocol 41 overhead)
        up ip link set mtu 1480 dev tnl0

        #Route IPv6 traffic through this tunnel
        #(global unicast IPv6 address space 2000::/3)
        up ip route add 2000::/3 dev tnl0

To bring up the tunnel interface: # ifup tnl0