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 ...

The way you combine the /24 subnets is to change the subnet mask to a /22. (ie. 255.255.252.0) This makes it all one contiguous address space. Just change the subnet mask to 255.255.252.0 and ...

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 is a fundamental part of network architecture and design. Network administrators create subnets to divide the network into smaller segments and gain granular control of the infrastructure.

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 ...