VRRP, IPv6, and the “Why” Question

Ivan Pelpnjak has an interesting post (H/T to Ethan Banks) critiquing Cisco’s VRRP v3 CLI implementation for IPv6.  It got me thinking about a question I was told never to ask:  “Why?” Never ask why? Back when I really wanted to get into networking, I took a five-day bootcamp with Global Knowledge taught by a gentleman […]

Programmability for Network Engineers

Since I finished my series of articles on the CCIE, I thought I would kick off a new series on my current area of focus:  network programmability.  The past year at Cisco, programmability and automation have been my focus, first on Nexus and now on Catalyst switches.  I did do a two-part post on DCNM, […]

Cisco DCNM 10 Overlay Provisioning Part 2

Introduction My role at Cisco is transitioning to enterprise so I won’t be working on Nexus switches much any more.  I figured it would be a good time to finish this article on DCNM.  In my previous article, I talked about DCNM’s overlay provisioning capabilities, and explained the basic structure DCNM uses to describe multi-tenancy data […]

Cisco DCNM 10 Overlay Provisioning

Introduction I’ve been side-tracked for a while doing personal articles, so I thought it would be a good time to get back to some technical explanations.  Seeing that I work for Cisco now, I thought it would be a good time to cover some Cisco technology.  My focus here has been on programmability and automation.  Some of […]