Introduction to Docker

Everywhere you go these days you hear about containers, and Docker, and Kubernetes, and microservices, and so on and so on. In this article I’m going to attempt to do a little introduction to Docker, which is a company that introduced some containerized services as well as services that go along with containers. I plan …

Intro to Security with Cisco ACI

This article will by no means be a complete review of the security in Cisco’s Application Centric Infrastructure solution. What I’ll be concentrating on in this blog is the built in security you get with ACI as well as the security you’ll get in your virtual environment when you use ACI along with Application Virtual …

Cisco ACI – Creating Contracts

Part of the beauty of Cisco Application Centric Infrastructure is the idea of contracts. In ACI we talk a lot about the idea of the policy driven network. Those policies are what we call contracts. Contracts aren’t totally unlike ACLs, but there are some big differences. First, ACLs usually go between IP addresses or subnets, …

Cisco ACI – Application Virtual Switch

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This article takes a closer look at the Cisco Application Virtual Switch. Introduction In my last article I talked about VMM integration with VMware vSphere and Cisco Application Centric Infrastructure. I only covered using the traditional vSphere Distributed Switch, but there is another option: the Cisco AVS (Application Virtual Switch). For those familiar with the …

Adding Phsical Servers to Cisco ACI Fabric

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This article describes how we connect physical, or bare metal, servers to the ACI Fabric. A while ago I wrote an article about adding VMware integration to your ACI fabric. This is of course a very important step, as about 70% of people’s workloads are virtual. However, that number has been pretty static over the …