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 ...

To understand how subnetting works, you first must have a good basic understanding of IP addresses. An IP address is set of binary octets broken into quads. That definition may not have made any sense ...

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 ...

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 ...

Is there any documentation that explains why 32 bit subnet masks work on Loopback interfaces on Cisco routers? How about any rules governing when they could (or should) be used?<BR><BR>[This message ...

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 ...

They say a picture paints a thousand words, well this picture paints three, dubya tee eff.<BR><BR>How can the WAN interface have a 32 bit subnet mask? When we called the ISP they said that this was ...

Subnet Mask divides the IP address into two segments and informs the computer which part is the network bit and which one is the host bit. For example, if there is an IP address: 192.168.0.1, it will ...

One of the most prevalent problems with IP networks occurs when IP subnet masks are incorrect. This seems to happen frequently because the concept of the subnet mask is not understood accurately. In ...