Reply to comment:

Jorge Matias
I've read that the modem/router Billion 7800NL has passed IPv6 ready and supports everything to be a Dual Stack capable CPE. http://www.thinkbroadband.com/news/4871-andrews-amp-arnold-affordable-ipv6-router-just-around-the-corner.html http://www.billion.com/product/wireless/BiPAC7800NL-All-in-One-ADSL2-Router-Wireless-N.html Best Regards, Jorge Matias