Way back a few weeks ago, when I had wrapped up the CCNP lab series, I asked via survey what CCNA topics you’d most want me to talk about in the blog. The top vote getter was IPv6. I had planned on ...

It would have been so easy if the early Internet and TCP/IP network designers had made IPv6 backward compatible with IPv4. They didn't. In 1981, IPv4's 32-bit 4.3 billion addresses look more than ...

World IPv6 Day, 6 June, 2012 is here, and with it many ISPs, websites and manufacturers are now supporting IPv6, the next generation network protocol of the internet. For many users, though, the ...

Many hackers have familiar sayings in their heads, such as “If it ain’t broke, don’t fix it” and KISS (Keep it simple, stupid). Those of us who have been in the field for some time have habits that ...

IPv6 is the successor to IPv4, the Internet addressing protocol which has been used for many years since the early days of the Internet. When the Internet was first founded, it was established as a ...

For the most part, the dire warnings about running out of internet addresses have ceased, because, slowly but surely, migration from the world of Internet Protocol Version 4 (IPv4) to IPv6 has begun, ...

The Internet has just changed forever, for real, thanks to IPv6. But chances are that you won't notice a thing -- at least not yet. Here's how IPv6 affects you. Senior writer Seth Rosenblatt covered ...