Blog Archives

MPLS Traffic Engineering – Review

I wanted to review the basics of MPLS and Traffic Engineering (TE) so I went to my favorite networking blog and searched for RSVP and found the following articles: MPLS TE design ( part 1, part 2, part 3 )

Posted in Lab Projects, OpenFlow 1.3, SDN, Tutorials

Visualizing Sflow data with Ntop and Nprobe on Ubuntu 16.04

Open Source tools can be useful if you need to put something together easily. I was able to use Nprobe to visualize real time traffic observed via Sflow. Here is how you install it on Ubuntu 16.04. wget dpkg

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Posted in Lab Projects, Tutorials, Ubuntu

Troubleshooting Shortest Path and Topology Discovery on RYU

This post is a follow-up to Shortest Path forwarding with Openflow on RYU. I originally made this code to show how to use SDN to achieve one of the most basic things you can do in a network: shortest path forwarding.

Posted in Lab Projects, RYU, SDN, Tutorials

VMware ESXI Home Lab

I recently bought an Intel NUC 6th generation¬†in order to build my own VMware ESXi lab. This is my first home lab and the first PC I ever built so I’m excited. I’m building this for two reasons, one my

Posted in Lab Projects, Tutorials

Easiest way to develop on ONOS

I just started interning at the ON.LAB. We are developing the ONOS controller and other things. The learning curve for ONOS is a bit of a challenge compared to its python competitors. But it has several features that a carrier-grade

Posted in OpenFlow 1.3, SDN, Tutorials

Setting up OpenVswitch and Mininet 2.2 on Ubuntu 14.04

In this tutorial I’ll briefly describe how to perform a standard installation of Mininet. This tutorial should work on Ubuntu 14.04. sudo apt-get update sudo apt-get install -y git git clone git:// cd mininet git checkout -b 2.2.0 2.2.0 util/

Posted in Mininet, OpenVswitch, Tutorials, Ubuntu

Shortest Path forwarding with Openflow on RYU

So, Openflow doesn’t do shortest path forwarding? How can a network architecture NOT do shortest path forwarding? SDN is BS. Yes, Openflow doesn’t do shortest path forwarding by itself, in fact, it doesn’t do anything by itself. Openflow is a

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Posted in RYU, SDN, Tutorials
Network Heresy

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Grad school survival advice from Nick Feamster and Alex Gray


A blog about cloud, virtualization, sdn and centos