Although GNS3 can run local on your computer and you can use VMware Workstation and have the GNS3 appliance. I found it much more stable and predictable to run GNS3 on a dedicated server. Using this type of installation, all the projects, and images are stored on the GNS3 server, so I can install the GNS3 client any …

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The purpose of this post is to reference the CCNA Data Center (640-911) exam. This exam starts the conversation of IPv6 and since IPv6 is hexadecimal this post starts the talk about how we look at a hexadecimal values and learn how to convert them to binary and decimal. If you know subnetting skills then this won’t be …

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In my last post I talked about Installing Rancid on Centos 7 so be sure to check that out. In this post we now want to actually use Rancid so I’ll walk through on how to setup Rancid to login into network equipment and get configurations. To recap: Rancid is a great tool to help monitor a device configuration for any …

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It's only been a week since GNS3 1.0 was released and it's already been updated to 1.1 so in this post I have Ubuntu 14.04 LTS with the latest updates and its time to set up GNS3. GNS3 is an open source tool that helps network professionals run a virtual network right on their computer, GNS3 is not a simulation program …

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So I've played around with two Cisco Nexus 5672UP switches which will be in production soon but before that I wanted to see what it took to get enhanced vPC online. Along the way I was into some new territory as I never stood up vPC before, so in this post I have posted some things to keep in mind and running-config …

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