A subnet mask is a 32-bit binary number used in modern network addressing schemes to differentiate between a network's location and the specific location of a host or device on that network. A subnet ...

A subnet allows the flow of network traffic between hosts to be segregated based on a network configuration. By organizing hosts into logical groups, subnetting can improve network security and ...

A subnet mask is a number that specifies which parts of an IP address represent the host and network portions of the address. These masks are 32 bits in IPv4 networks and 128 bits in IPv6 networks. A ...

Subnetting a Class C network can be a tricky process to master. From MCSE to CCNA to RHCE to CNE, you’ll have to know it and know it well. Todd Lammle walks you through clear instructions and ...

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 ...

Subnetting and creating subnet masks is often outsourced to consultants, but doing it yourself can be both challenging and rewarding. In the IT world, specifically in networking, there aren’t many ...

George Ou explains IP subnetting using his own graphical approach. It’s a great primer for students and a nice refresher for others. IP subnetting is a fundamental subject that’s critical for any IP ...

I am somewhat of a neophyte when it comes to networking and making it all work. However, I've recently come into a situation at work where some more information would definitely help things. So I turn ...

The second part of a TCP/IP address that defines the subnetwork in which the device resides. The subnet ID number is shared with the host ID. See subnet mask and subnet mask tables. THIS DEFINITION IS ...