NOX OpenFlow Controller Install on Ubuntu 12.04

Screencast w/o audio. I think it’s quick and self explanatory. This is an install for the newer NOX release on Ubuntu 12.04. I believe the branch name is ‘verity’. It was just upped a couple weeks ago to Github with the new repo linked from It isn’t fully released but the site said Q1 2012, at the least, it …

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OpenvSwitch Configure from Packages and Attaching to a Floodlight OpenFlow Controller

Open Vswitch Lab

OpenvSwitch Configure from Packages and Attaching to a Floodlight OpenFlow Controller: Couple folks have asked about installing OpenvSwitch from packages on Ubuntu 12.04 as opposed to from source. The default repos have v1.4 up so almost at the latest v1.4.1. OVS will be the de facto vSwitch in the hyper-scale providers in the future in my opinion. As Vmware’s Nicira acquisition …

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Help Wanted: Cultural Change

Change Bad

Help Wanted: Cultural Change: This post is low on the nerdalert meter and more of the arts, rather than the science. Earlier this year, Level3 blogged about their new initiative of training ~%20 of their 11,000 person staff to be “change agents” in order to cross-pollinate their peers, the notion that change is healthy for the company (speculating). Change is …

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SDN and OpenFlow Quotes from some of the Best


Like anyone reading this, we are avid consumers (in my case leech) of information. I put together some quote from people regarding SDN and OpenFlow. Most of the people in the list are intrinsic in helping me shape my own views regarding technology with the outstanding content, ideas and research they generate. “Think of it as a general language or an instruction …

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MPLS VPLS configuration with Juniper JunOS


Posting a Juniper VPLS how-to on a couple of J-series routers. Have been pretty SDN focused lately so wanted to get some real stuff in for a post. Docs on JunOS VPLS can be shaky so nothing like a couple real configs to plugin your address in the lab if having problems with L2 VPNs. This includes MPLS VPLS configuration …

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SDN Use Cases

Bad Decision1

We have a few problems in networking. The following document are some SDN use cases that have come up over the past recent months/years. New abstractions in networking should enable solutions we never thought possible due to the monolithic nature of networking gear today (Mainframe 1980). This is all coming from a person who thinks MPLS can squeeze orange juice out …

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SDN for Internet Providers Use Case

sdn service provider

This post has been updated here Thanks! -Brent

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OpenStack Essex and Quantum Installation using OpenvSwitch from Scratch


Here is a walkthrough for the Quantum Network Manager Plugin for OpenStack Essex with a Quantum Installation with OpenvSwitch. It is still in dev so expect weird things and stability issues. For a guy with a networking bread and butter this is the extremely exciting piece of OpenStack for me. I will do a followup and try and breakdown the OpenvSwitch …

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