Pinging irc.ipv6.he.net [2001:470:0:6667::2]
from 2001:470:1f05:42b:187f:5cab:3848:82aa with 32 bytes of data:

Reply from 2001:470:1f05:42b::: No route to destination.
Reply from 2001:470:1f05:42b::: No route to destination.
Reply from 2001:470:1f05:42b::: No route to destination.
Reply from 2001:470:1f05:42b::: No route to destination.

Ping statistics for 2001:470:0:6667::2:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),


interface br0 {
  MinRtrAdvInterval 3;
  MaxRtrAdvInterval 10;
  AdvLinkMTU 1500;
  AdvSendAdvert on;

  prefix 2001:470:1f05:42b::/64 {
    AdvOnLink on;
    AdvAutonomous on;
    AdvRouterAddr on;
  };
};

ip tunnel add he-ipv6 mode sit local 72.222.162.118 remote 72.52.104.74
ip link set he-ipv6 up
ip link set mtu 1500 dev he-ipv6
ip -6 addr add 2001:470:1f04:42b::1/64 dev he-ipv6
ip -6 route add default via 2001:470:1f04:42b::1/64 dev he-ipv6
ip -6 addr add 2001:470:1f05:42b::/64 dev br0



Server IPv4 address: 72.52.104.74 
Server IPv6 address: 2001:470:1f04:42b::1/64 
Client IPv4 address: [Update] 72.222.162.118  
Client IPv6 address: 2001:470:1f04:42b::2/64  

--------------------------------------------------------------------------------
 
Routed /48: 2001:470:80de::/48  
Routed /64: 2001:470:1f05:42b::/64 


HERES AN EXAMPLE

Loading the Startup Script 

Okay paste this little section into the Diagnostics -> Run -> Window that opens up 

/usr/sbin/ip tunnel add sixbone mode sit local YOURIP remote 64.71.128.82
/usr/sbin/ip link set sixbone up
/usr/sbin/ip link set mtu 1280 dev sixbone
/usr/sbin/ip tunnel change sixbone ttl 64
/usr/sbin/ip -6 addr add CLIENTIPV6ADDRESS/127 dev sixbone
/usr/sbin/ip -6 ro add default via SERVERIPV6address dev sixbone
/usr/sbin/ip -6 addr add ASSIGNED/64 dev br0


HERES THE DD-WRT SAMPLE WAY

interface br0 {
   MinRtrAdvInterval 3;
   MaxRtrAdvInterval 10;
   AdvLinkMTU 1280;
   AdvSendAdvert on;
   prefix 0:0:0:1::/64 {
    AdvOnLink on;
    AdvAutonomous on;
    AdvValidLifetime 86400;
    AdvPreferredLifetime 86400;
    Base6to4Interface vlan1;
   };
};


sleep 5
WANIP=$(ip -4 addr show dev vlan1 | awk '/inet/ {print $2}' | cut -d/ -f1)
if [ -n "$WANIP" ]
then
 V6PREFIX=$(printf '2002:%02x%02x:%02x%02x' $(echo $WANIP | tr . ' '))
 ip tunnel add tun6to4 mode sit ttl 255 remote any local $WANIP
 ip link set tun6to4 mtu 1280
 ip link set tun6to4 up
 ip addr add $V6PREFIX:0::1/16 dev tun6to4
 ip addr add $V6PREFIX:1::1/64 dev br0
 ip -6 route add 2000::/3 via ::192.88.99.1 dev tun6to4
 kill -HUP $(cat /var/run/radvd.pid)
fi