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 ...

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 ...

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 ...

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 ...

For one to be able to create multiple logical networks within a Class A, B, or C network, one needs to know the principle of subnet. Without using subnets, one could only use a single network no ...

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 ...

Internet Protocol (IP) addresses take the form xxx.xxx.xxx.xxx, where xxx (an octet) is a number from zero through 255. There are public IP addresses and private IP addresses. Public IP addresses are ...

If you are experiencing trouble with your network connection and have it configured to DHCP, figuring out your IP address can be quite a task. Using a Static IP Address helps avert IP address ...

I'm currently using a WRT54G router with Tomato firmware and I have a simple residential dynamic ip address cable modem. The cable modem is in "bridged" mode and the router is set to use DHCP to get ...