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 ...

Today, the standard methods for moving the network/host address boundary are variable-length subnet masking (VLSM) for host addressing and routing inside a routing domain, and classless interdomain ...