If your company network is having problems and you need to troubleshoot it, you also need to know some basic information about the computers on the network. Internet Protocol is the underlying ...

When your sign up for Internet access on behalf of your company or purchase Web hosting for your company's Web servers, you will purchase either a dynamic IP address, a single static IP address or a ...

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 ...

Knowing how an IP address identifies a host on a network can be confusing. Before you begin calculating various addresses, you should know the fundamentals of IP addressing. Todd Lammle describes this ...

More and more security devices being designed to communicate over local area networks (LAN) and the Internet. In smaller installations the security dealer is going to probably be responsible for ...

If Dynamic Host Configuration Protocol (DHCP) didn’t exist, network administrators would have to manually parcel out IP addresses from the available pool, which ...

This is the first of many technical blog posts I’m going to post on IPv6 architecture and implementation for a Microsoft Windows-based environment. I started off with a basic introduction of the IPv4 ...

Subnetting a Class B network can involve some serious thought! As a network administrator, you'll have to know it and know it well. Todd Lammle walks you through clear instructions and simple examples ...