IP addresses are like opinions… everyone has one. But not every IP address is created equal. Some IP addresses are dynamic, which means they automatically change, based on router settings. Also: ...

If a computer is unable to configure a valid Internet Protocol address, it can't connect to a network. If you plug a laptop directly into a modem with an Ethernet cable and receive a "No Valid IP ...

This tip is excerpted from "Network troubleshooting and diagnostics," Chapter 4 of The Shortcut Guide to Network Management for the Mid-Market, written by Greg Shields and published by ...

The internet relies on a system of addresses that treats every computer, tablet and smartphone as a distinct device, allowing all of them to communicate with each other. Because many kinds of devices ...

In an upcoming blog I expect to write about configuring a home router, which requires logging on to it. This, in turn, requires knowing the IP address of the router. Non-techies typically don’t know ...

Breaks down the five IP address classes in order to explain how they manipulate TCP/IP protocol functionality Before two or more computers can communicate with each other, a set of rules has to be in ...

You can change your local IP address from the network settings controls menu on a PC, Mac, or phone. Your public IP address can be changed by resetting your router or connecting to a VPN. You might ...

I have a user who's machine is not pingable on our network, using computer hostname or associated IP. However, in troubleshooting this, I see that the IP the machine actually has does not resolve to ...

Internet networking involves a lot of alchemy, and I confess to occasionally dropping an eye of newt (or an IP of newt) into a boiling pot to fix problems on my local network. There’s a particular ...