Category: Networking
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A Brief Explanation of Subnet Masks
If you have ever searched for the IP Address of your computer, you have probably used one of the following commands: ipconfig, ifconfig, or ip addr. If you are really fancy and decided to use Windows PowerShell, you might even have used get-netipconfiguration. Whichever one you used on whichever is your preferred operating system, you…
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The Twelve Networking Truths
As the weekend approaches, I am looking forward to breaking for a couple of days. I have not posted in a while, and I thought I would share this with you. If you are not familiar, RFC stands for Request For Comments, and is usually the definitive rules for a particular technology. Those of us…
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IPv6: Be gone!
Let me start this piece by stating that I am not advocating that we all ignore IPv6. There are many reasons to use it, and there is nothing wrong with it. Sure, it is more complicated than we may like… but then again, so was IPv4 when we were first introduced to it. But alas,…
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Default Gateway Corrections
The default gateway setting in Windows (and every other networked operating system) is a simple setting that tells your network interface card (NIC) where to send traffic when sending it outside of your domain segment. More often than not, it will be the .1 address of a network segment (e.g.: 10.0.0.1), but that is not…
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UNC Path Nightmare
Anyone who has taken a basic networking course will understand that UNC (Universal Naming Convention) paths are one of the common ways we in IT access file shares across our local networks. They will usually look like this: \\oak-mgt-01\Sharename. Of course, you can see all of the shares on a particular server by just entering…
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Server Core Address Woes
From the files of “What the F@rk?!” Here’s a little gotcha that I’ve been wrestling with all afternoon. I hope this post can save some of you the frustration (exacerbated by jetlag) that I have been experiencing. I am configuring a bunch of virtual machines as domain controllers for the company I am consulting for…
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Virtual Networking in Hyper-V 2012
Microsoft has released a poster diagramming virtual networking in Hyper-V 2012. Much of it revolves around Virtual Machine Manager, and is actually branded System Center 2012 SP1. If you are building or managing datacenters – even smaller ones – you should download this document and review it. We all have something to learn from it!…
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Managing Wireless Networks in Windows 8
Many of us take our laptops all over the place, and it is not uncommon for us to connect to several wireless networks on an ongoing basis. In Windows 7 there was a simple way to manage the wireless networks that you connect to, but it seems to be missing from Windows 8. This doesn’t…
The World According to Mitch 