A subnet is a subdivision of a local area network, created by applying a subnet mask to the IP addresses that make up the network. Subnets may or may not correspond to physical locations, as the ...

In this article we cover one of what I have found to be the most common stumbling blocks for individuals attempting to pass the CCNA. This comes from experience in helping several individuals through ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Table 1. This table illustrates subnet masks. The number after the “/” in the CIDR notation ...

Hi. I have a rather technical and specific problem, and I know it's the wrong thing to do (especially since it doesn't work), but I'm trying to learn WHY it doesn't work. All subnets are 255.255.255.0 ...

The last edition of this column talked about subnets and introduced folding paper as an illustration of how subnets can be understood. This will be very useful as we proceed. MORE IPv4 SUBNETTING ...

Subnets are used for many AWS tasks (like creating an EC2 VM), so Brien Posey sheds some light on common errors to end some of the frustration around subnetting. There are any number of tasks within ...

I'd like to take two parts of a class B address space, and express it in CIDR notation, if it can be done.<BR><BR>For example, I'd like to take 192.168.130.0 and 192.168.131.0 and represent them with ...

Have you learned to think and dream in hex yet? That is what you are going to have to look forward to as we transition to using IPv6. Because we will be working in hexadecimal numbers we may need a ...