I ended my post on IPv6 address design saying I would follow up by showing you a few simple tricks for working with hexadecimal numbers. Then the long-predicted depletion of the IANA pool of IPv4 ...

In addition to IPv4 (often written as just IP), there is IP version 6 (IPv6). IPv6 was developed as IPng (“IP:The Next Generation” because the developers were supposedly fans of the TV show “Star Trek ...

I encountered a funny situation this past week while deploying IPv6 on a tunnel interface. I realized that when you use 10 for the most significant digits in an IPv6 address it does not mean that is ...

We just saw that the mask determines where the boundary between the network and host portions of the IP address lies. This boundary is important: If it is set too far to the right, there are lots of ...

It’s no news that the Internet, which currently runs on internet protocol version 4 (IPv4), has a limited number of IP addresses available, and has already fallen short to suffice the needs of ...

Although IPv6 adoption seems to be moving at a snail's pace, there's no outrunning it. Brien Posey demystifies some of the addressing issues many admins are still trying to figure out. [Editor’s note: ...