Category Archive for: ‘In the Lab’

Tutorial to Build a FloodLight SDN OpenFlow Controller Module


This how-to is a tutorial to build a FloodLight SDN OpenFlow controller module in Java using the open source OpenFlow controller FloodLight that BigSwitch open sourced to the community. The installation and class creation is documented on the FloodLight Wiki. I am adding a screencast of the installation for those who get stuck on any steps. This is just how …

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OpenStack Quantum DevStack on a Laptop with VMware Fusion

Devops Sm

VMware Fusion and VMware Workstation both support nested virtualization. This is great news for folks looking to either learn OpenStack, proof new concepts or do development work without needing physical hardware. The reason nested virtualization is important is to support KVM, Xen or other hypervisors you need hardware virtualization to get hooks into Quantum and Open vSwitch that Qemu will …

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Hybrid SDN Deployments

SDN Names OPenflow

The concept of a hybrid SDN deployments using and interacting with legacy networks has come up quite a bit recently in the industry. This idea that a rip and replace or physical overlay network in order to evolve networks in some cases is not often grounded in fact. When we replaced Token ring, ATM and before my time Decnet/Thinnet those were …

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OpenStack Folsom Quantum Devstack Installation Tutorial

DevStack Openstack Lab

This is a quick guide that includes a diagram of a working reference architecture for installation of the OpenStack Folsom release using which includes the Quantum networking component using the DevStack installation bash script. With the OpenStack Essex release, I was writing installers with Python for Linux bridging and the Quantum plugin. So far the OpenStack Folsom install is more …

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OpenFlow, OpenvSwitch and KVM SDN Lab Installation App

Bunker Lab

This OpenFlow, Open vSwitch and KVM SDN Lab Installation App is a python app that will install a few different options at an SDN lab. There are some really nice SDN applications that are coming along that have been open sourced from vendors or the community. Lots of people are really getting interested in understanding what SDN and getting to know …

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OpenvSwitch and OpenFlow Lab Preparation

OpenFlow Lab

  This post OpenvSwitch and OpenFlow Lab Preparation will serve as a base Linux install using virtual machines in VirtualBox a free hypervisor that you can run on your laptop or desktop. Many do not have access to lab gear but would still like to be able to gets hands on experience in learning new technologies. Another important reason to …

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Nested KVM Hypervisor Support

Nested KVM Tutorial

Adding Hardware Virtualization Support to a VM in KVM with Nested Hypervisor support is pretty important for folks wanting to do proofs for VMs, IaaS, OpenStack etc. It is fairly well supported now under both KVM and Xen. Not to mention, who wants to lab up bare metal when they can use their laptop for modeling. The major driver for …

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Rackspace OpenStack Installation on a KVM VM


Rackspace OpenStack Installation on a KVM VM: Big day in the OpenStack world, Rackspace announced it was releasing its Openstack installer image named Alamo v1.0. running on top of KVM, along with Opscode Chef and Rackspace OpenStack cookbooks. This may be the Open Source renaissance we have been needing and forced into by exorbitant profit taking, M&A, takeovers, buyouts, spin-ins, spin-offs, …

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