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Stephen Ransome

Stephen Ransome is an IT consultant and network nerd with experience ranging from SMBs to Service Providers, he has a passion for learning new technologies and delivering solutions that count. He has some alphabet soup, including CCIE#41102 and is far more cynical than he should be.

Vagrant – Configuring the Vagrantfile

Building the Vagrantfile In the last post we looked into how to install Vagrant, took at brief look the Vagrantfile, a look at atlas, brought up a box and finally destroyed it. In this post we’ll look at some of the more advanced ‘Vagrantfile’ configurations to help you make the most out …

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Ansible – Basic Lab Build

Building the Sandbox Following on from our introduction to Ansible post, here we will start to take a practical look at using Ansible. Our first step and the purpose of this post will be to build a basic sandbox environment. A video walkthrough has been included at the end of this post Pre-requisites As with …

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Vagrant – First Steps

Installing Vagrant and Virtualbox This post will cover how to get started with Vagrant from downloading the software to launching and destroying your first box. Pre-Requisites No specific pre-requisites are specified though if you have never heard of Vagrant you may want to take a look at our Introduction to …

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Introduction to Ansible

What is it? Ansible is an open source IT automation tool for application deployment, configuration management and device orchestration. Ansible have two offerings ‘Ansible Core’ and an enterprise level offering called ‘Ansible Tower’ which is a licensable product. Ansible Core however, remains open source and will remain the focus for …

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Cumulus Networks

Cumulus Networks provide a popular Network Operating System (NOS) for bare metal switches. What separates Cumulus from other NOS companies is that Cumulus is not purely focussed on the large SDN Data Center. As well as offering the standard L3 fabric and overlay options, Cumulus also allows you to build …

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Introduction to Vagrant

What is it? Primarily used for building environments to allow development and testing. Vagrant uses a central repository of pre-configured systems that can be downloaded and stood up as necessary. This enables you to build environments without wasting time building base OSs and installing common applications. Vagrant on its own is …

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What is SDN?

Software Defined Networking (SDN) means different things to different people. Some of the key words often associated with SDN are Automation, OpenFlow, Network virtualization and Overlay networking. Lets look at each of these in turn and see how they fit with SDN. Automation Managing large networks has always been painful, …

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North, South, East & West

You will often hear or see the term North-South vs East-West when looking at networks. Let’s take a quick look at what people mean when they use these terms. North-South North South traffic is often referred to as traffic than needs to traverse into or out of your network, So …

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Cloud as a Service

Although I’m no fan of anything/everything as a service (XaaS), mainly due the fact that it has been overused by marketing teams to define whatever they are trying to promote as-a-service. The original three as-a-service definition Software (SaaS), Platform (PaaS) and Infrastructure (IaaS) provide a clearer understanding of what most …

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Cisco Nexus ACI – Hardware Data Sheet

NOTE: All data contained on this page was taken directly from the vendors product data sheet. No validation of accuracy is offered for figures stated regarding bps or pps. The information provided is solely for a point of reference and should only be taken on a provided ‘as is’ basis …

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