DD-WRT IPv6 configuration

Every now and the we hear the doomsday is near and the last IPv4 address has been assigned. But sometimes I have to wonder why the ISPs are not providing more information on how configure the router with IPv6. It took me quite a while to figure out why my configuration did not work. This tutorial is for DD-WRT with at the time of the this writing latest and greatest release DD-WRT v24-sp2 (11/11/14) giga.

Prerequisites

• DD-WRT router with IPv6 stack
• ISP with DHCP6 and providing a block of addresses

Howto

• Open a web browser and open the configuration page of your DD-WRT router.
• Navigate to [Setup] -> [IPv6]
  • Set IPv6 to Enable
  • Select [DHCPv6 with Prefix Delegation] under IPv6 Type