Cisco ACI Automation Deep Dive - Part 1

SDN as the Foundation for Infrastructure Automation One of the key SDN promises is to provide better agility when it comes to responding to network changes demand. In other words, the network should reflect those changes as soon as possible, independently from the topology. Whether a new security rule is

Be aware of FUD...NSX over ACI explained

There are moments where I'm very proud to work with best of breed technologies, at the bleeding edge of the industry. The reason is that I do enjoy solving business problems with innovations, and finding the right use-case for the right feature or solution. It is true that most of

Simple inter-tenant communication rules with Cisco ACI

In Cisco ACI, there is the notion of tenant. It’s the top logical construct that is housing all underneath tenant components: private networks, bridge domains, subnets and EPG’s. Tenants are by default unable to communicate with each other without involving the external network. This premise is also true

VCDX-NV and the Missing Bit

As probably many of you already know, I’ve been part of the early NSX Ninjas program, leading to the obtention of both VCDX-NV and VCIX-NV. This was a great experience, however I wanted to take the opportunity to give my opinion about what I think is currently wrong with
Managing XML with Python

Managing XML with Python

When I was sorting out how to deal with XML responses thrown by SDN controllers, whether it be with Cisco APIC or NSX Manager, I made some research around how to easily achieve that with Python libraries. I found out that lxml was the quickest way to work with XML.
New credentials, new job, now what?

New credentials, new job, now what?

2014 was a great year for me. I had the privilege to be part of the “VMware NSX Ninja” program, aiming at preparing the first group of VCDX-NV. This led me to earn my second VCDX in July. I’ve also passed an early version of the VCIX-NV in the
Integrating vSphere and NSX API’s with Python (2/2)

Integrating vSphere and NSX API’s with Python (2/2)

This post will focus on the last tasks mentioned in my Disaster Recovery scenario: Recover VMs at the simulated DR site. Connect VMs to the appropriate Logical Switch. Boot VMs and test connectivity. Check route updates on the physical network. Before going further you may want to check how to