ANAHEIM, CA--(Marketwire - Jun 6, 2012) - ZyXEL Communications, a leading provider of secure broadband networking, Internet connectivity and routing products, today announced that its VMG1312 broadband gateway passed IPv6 interoperability tests conducted by the University of New Hampshire InterOperability Laboratory (UNH-IOL). This VDSL2 gateway now satisfies the requirements for participation in the World IPv6 Launch.