Category Archives: Networking

NSX REST API Primer #1: Connecting with cURL

Welcome to part one of a new series detailing the use of the NSX REST API. My goal is to highlight several administrative tasks of your VMware NSX environment that have been exposed via API. I will assume that the reader has an entry level understanding of layer 2 & 3 networking and where we go a bit deeper I will explain what is going on. I will not assume… Read More »


Brocade Vyatta 5400 Virtual Router on vSphere

Introduction As Software Defined Networking grows in popularity and adoption networking companies are branching out from their traditional hardware platforms by offering virtual appliances and software based management tools to address this market. Brocade’s Q4 2012 acquisition of Vyatta allowed the storage networking vendor to come to market with their virtual appliance for IP services, the Vyatta 5400 vRouter. Vyatta’s history of creating solutions for routing and IP security services… Read More »


vDynamips – Cisco IOS Hypervisor Virtual Appliance

Introduction Last week I wrote this post about using Dynamips to run Cisco IOS images as a guest in VMware ESXi. The instructions are long and could be complex for a novice sysadmin. To simplify the installation I have created a virtual appliance that is a little easier to use. The appliance can run multiple simulated IOS routers and switches. Juniper JUNOS is also supported. I have minimized the footprint,… Read More »


Networking with Virtual Cisco Routers on vSphere

Introduction When I build an environment in my lab I need it to be as close to production reality as it can be.  When I am at a client I need to be certain of how the compute, network, and storage resources are going to interact. From a compute perspective this is easy to simulate in a  lab environment. vSphere was made to do it. Things get trickier when trying to… Read More »


VCAP-DCA: CLI Command List for Networking

This is the second installment of the list of CLI commands that you need to know for the VCAP-DCA5 test. Again this is not meant to explain the concepts behind the commands, for that read Jason Langer and Josh Coen’s Unoffical VCAP-DCA5 Study Guide or check out Chris Wahl’s #vbrownbag on Section 2. The purpose of this list is to be a quick reference when studying in your lab. One… Read More »