Open vSwitch on VirtualBox
Here is a quick tutorial for installing Open vSwitch on VirtualBox. VirtualBox is an open source virtualization project from Oracle. It is supported on Windows, Mac, BSD and Linux to name a few. It has a nice GUI for VM management out of the box. Open vSwitch is an open source vSwitch from Martin Casado, Ben Pfaff and a whole …
The Good and Bad of Wireless
The Good and Bad of Wireless :A while back, I posted some numbers on campus 802.11 growth. Wether cellular or 802.11, the numbers are big. The numbers show in the 802.11 campus which reflects smart phones, tablets, laptops and soon to be glasses and watches painted all over people. In networking, customer growth typically linearly correlates into the need for …
Networking Field Day #5 – A Community Event
Networking Field Day is upon us again. The days of March 6-8 some of the best in the business are going to be together again to have participating vendors pitch their product strategies to the NFD delegates and more importantly, to everyone else watching the live stream. I was invited to attend Network Field #5 and I humbly accepted. Network …
Putting Together Provider Bridging, Provider Backbone Bridging, S-Tags and C-Tags
Putting Together Provider Bridging, Provider Backbone Bridging, S-Tags and C-Tags: Understanding carrier bridging techniques is important, not just for provider operators, but also for engineers on the customer edge. When turning up or troubleshooting a circuit, carrier operators will ramble off C-tag and S-tag when many in the enterprise, are used to hearing Vlan ID in single tenancy deployments. More …
Hybrid OpenFlow Using The Normal Action
Hybrid OpenFlow Using The Normal Action: When a new technology is introduced in networking, it is not uncommon for most to transition that new technology into their network for test/dev or production by starting with small chunks at a time. Hybrid OpenFlow deployments will used by many of us as a place to start with SDN with fairly low risk …
More Vendors Define Their SDN Strategy
It was a busy week in SDN. Some pretty significant revelations gave us good directional indications for SDN in 2013. Most significantly is SDN is getting enough traction to drive significant investment and tough decisions to be made by the networking incumbents. As more vendors define their SDN strategy, we will see an increasing amount of commercial products, rather than …
More Details About The Cisco ONE Controller Announced
Cisco has begun further unveiling more details about the Cisco ONE controller, currently in early beta. The announcement, specifies new SDN applications and hardware support for a select few existing products and new ones like the Catalyst 3850. Also recently announced, is the new Nexus 6000 switching product, along with a NAM module for the Nexus 7000. The Nexus 6000 is 96-ports …
Installing Wireshark On Linux for OpenFlow Packet Captures
This tutorial is for those who are learning, troubleshooting and developing using the OpenFlow wire protocol. Packet captures are vital to troubleshooting issues that occur between the switch and OpenFlow controller. The instructions are for installing Wireshark from package or compiling and installing from source. It also walks through installing the OpenFlow v1.0 dissector plugin for Wireshark. Once the plugin …
