Table 1. This table illustrates subnet masks. The number after the “/” in the CIDR notation indicates the total number of IP addresses available. Click here to see an enlarged diagram. Understanding ...

As you start managing multiple servers, you will need to write a network diagram that represents the overall configuration of your servers and network equipment. With the free software ' Network ...

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 ...

Just ask any economist: When a commodity is in short supply, several things happen. The price goes up, rationing begins, and people start scrambling for substitutes. Globally unique Internet addresses ...

Rather than layering security onto networks, the networks themselves and carefully managed authorization policies can hinder attacks, but at an administrative cost. Why is it that over 90% of ...

IP addresses are like opinions… everyone has one. But not every IP address is created equal. Some IP addresses are dynamic, which means they automatically change, based on router settings. Also: ...

Most networks use the Internet Protocol to handle local area network addressing, which is how the network determines what information goes to which devices. While many companies decide to use ...

IPv6 offers several ways that aren’t possible in IPv4 to assign IP addresses, and DNS set-up has differences as well. As IP technology has matured, the range of devices that the internet protocol ...

Networks, and the internet, don't identify computers (of any size, even your smartphone) by the name you give them. Computers prefer numbers, and the numbers they use as identifiers are called IP ...