Open vSwitch GRE Tunnel Configuration
We continue to destroy our nice clean data centers to facilitate poor application architectures that do not scale in a layer 3 fashion. We continue to come up with new technologies using old architectures to turn our networks into flat data centers under the guise of “cloud mobility”. Ok sorry, I got that out of my system. Open vSwitch is …
Installing and Configuring OpenvSwitch on Ubuntu 12.04 (Precise Pangolin)
Quick install how to for Installing and Configuring OpenvSwitch on Ubuntu 12.04 (Precise Pangolin) with the nightly OVS build. Before I start, I must point out the great progress the dev team has done in such a short time. All of the old gotchas in earlier releases on implementation are long gone. I am going to revisit the KVM integration …
Why the NOS will decouple
Over the next couple of years some of us expect the networking industry to have some fairly significant changes. There are really two options: A distributed approach we have today or a controller based centralized model. We have today just that, autonomous devices building adjacencies to one another, exchanging what it hopes are the best healthy paths to send next hop traffic …
February 2012 SDN Thoughts
I commented on a blog post earlier and I am recording my updated thoughts to review over the next few years to see how wrong I was. My initial business cases still have not changed much from 4 months ago. It has always been and will be about money. What will drive this is the ability to commoditize networking vendors and level …
OpenVswitch and GRE tunnel notes
Here is a quick post for setting up GRE tunnels on OpenVswitch. Both Vswitch boxes are attached to an OpenFlow Beacon controller. More up to date how-to can be found here: Configuring VXLan and GRE tunnels on OpenvSwitch KVM live storage migration makes an interesting story and run at VMware tools. The dreaded layer2 data center link conversation may never …
OpenStack on Ubuntu 11.10 Installation
My notes from an OpenStack & Ubuntu 11.10. These are only my notes. Lots of errors. It was a fairly painless install. I didnt have the lab gear setup with two Nics so I got a bit kludgy at the end. I think the interesting component will be to replace the Openstack bridging with OpenVswitch. sudo apt-get install rabbitmq-server sudo …
Installing NOX OpenFlow Controller on Ubuntu 11.10
Updated UB 11.10 post here It is all pretty straight forward except for the default branch is zaku(stable) which has compilation issues. This switches the branch to destiny(unstable). $wget http://openflowswitch.org/downloads/debian/binary/nox-dependencies.deb $dpkg –info nox-dependencies.deb $cd /etc/apt/sources.list.d $sudo wget http://openflowswitch.org/downloads/debian/nox.list $sudo apt-get update $sudo apt-get install nox-dependencies $git clone git://noxrepo.org/nox $cd nox Make sure you run the destiny branch from within the …
Top 10 Reasons I think SDN Openflow will gain momentum
Predicting the future is often as easy as looking at the past, no crystal ball required.
