I have created a few videos of the SDN migration tutorial setup and will be posting them here. In the first video I go over the setup, how the cabling is done and what devices we will be using: In the second video I show how the monitoring PiHost boxes work and pull a network cable to show failover Hopefully this will be helpful for anyone who is planning to … [Read more...]
SDN Migration Tutorial Part 3 – Final Conversion
In our earlier posts "SDN Migration Tutorial Part 1" and "SDN Migration Tutorial Part 2", we talked about the initial setup of the OpenDaylight Summit tutorial network and changed the first Pica8 switch (L3SW 1) from L2/L3 to OpenFlow. In this post I will go over the final step, converting the second switch to OpenFlow and showing a fully functional SDN enabled ne … [Read more...]
SDN Migration Tutorial – Adding a Router
In the previous posts, we have talked about our initial setup and the first step in SDN conversion. In this post we will talk about adding one of the static routers into the configuration and confirming that everything is working. For the router we have used a Cisco 3845, connected it to the Pica8 under ODL control and added Host 2 to it. We have configured … [Read more...]
SDN Migration Tutorial Part 2
In our earlier post "SDN Migration Tutorial Part 1", we talked about the initial setup of the OpenDaylight Summit tutorial network. In this post we will show the configuration to change the first Pica8 switch (L3SW 1) from L2/L3 to OpenFlow The first thing we need to do is enable crossflow mode on the Pica8 switch: [crayon-6766b512c5981262816604/] Then we need to c … [Read more...]
SDN Migration Tutorial Part 1
In late August, we will be presenting a tutorial at the OpenDaylight Summit. As we get ready, we are preparing the configurations for the devices involved in the tutorial. At this time, the tutorial includes a pair of Pica8 Switches and a pair of Cisco ISR routers. For diversity, we may swap out some of the devices for other vendors. The initial setup in … [Read more...]
Network Tutorial at OpenDaylight Summit 2015
On July 27th, 2015, Router Analysis Founder Steven Noble will be presenting a tutorial on migrating a standard L3 network over switches controlled by OpenDaylight. The tutorial will be at the end of a three part set of tutorials moving from beginner (what is OpenDaylight, how to download and install it), Medium (Using OpenDaylight) and ending with our tutorial showing a sol … [Read more...]
Congestion Avoidance in SDN using DPI
A paper I wrote for Sideband Networks based on previous work done for Router Analysis. https://www.academia.edu/7654001/Congestion_Avoidance_in_SDN_using_DPI … [Read more...]
Reference Controller 2014 – Configuration Part 1
As a follow up to the original Reference Controller posts, we have been updating our setup to more recent versions of RouteFlow, OpenvSwitch, RYU, etc. Our goal is to have IPv6, OSPF and BGP working across a multi-node setup including 2 Cisco Routers, a Soekris Net5501 running Quagga, and a Vandervecken based OpenFlow 1.3 controller controlling a Pica8 3290 running PicaOS … [Read more...]
Reference SDN Controller Update 2014
With ONS around the corner, OpenSourceRouting a project under the Network Device Education Foundation, Inc, will be doing a demonstration involving the latest Reference SDN Controller. For the demo, we have updated the reference system to the latest version of Vandervecken, a project based on RouteFlow. The new design is the following: The hardware used … [Read more...]
Network Virtualization and Cisco’s Hardware Centric View
As VMware pushes NSX into the spotlight, Cisco responds that the network is already utilized. Scrolling through hundreds of post VMworld articles, I ran into one from Embrane showing that network virtualization is still not well understood. In Embrane's post they referenced a blog post by Padmasree Warrior, CTO of Cisco, about the limitations of a software only approach to d … [Read more...]