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 ...

All computers connected to networks have different IP addresses. This is how networks can verify where particular messages should go. In order to connect different computers, you need to access one ...

Bidding adieu to IP conflicts, I enjoy reliable device access consistently and better control over my home network.

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I have a computer with a cross over cable to another network device. I do not know the IP address or the MAC address of that device on the other side of that cable. Is there a way configuring my ...

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 ...

How to find a hostname via public IP address? In order to find the hostname of a computer with a public IP address, you have to pass the address to the Domain Name System (DNS) server. Here are the ...

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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 ...