auto he-ipv6
    iface he-ipv6 inet6 v4tunnel
        address 2001:470:1f08:3f6::2
        netmask 64
        remote 216.66.80.26
        local 79.79.213.203
        endpoint any
        ttl 64
        up      ip -6 route add 2000::/3 via ::216.66.80.26 dev he-ipv6
        up      ip -6 addr add 2001:470:1f09:3f6::/64 ::1:1/128 dev he-ipv6
        up      ip -6 addr add 2001:470:1f09:3f6::/64 ::2:1/128 dev he-ipv6
        down    ip -6 route flush dev he-ipv6