Hank Preston

4 min read

Got a network automation question? Ask Hank. Here, a network engineer wants to understand how the URLs for RESTCONF are constructed from the YANG models, and how to use the feature for updating IP addresses.

2 min read

October 13th, DevNet Create 2020 goes virtual, and goes global with three regional programs featuring use cases, showing code, and innovations relevant to your region.

5 min read

Network configuration pipelines can be a complex maze of forks and paths that require special timing, and keys. The current network configuration pipeline needs to go, and be completely replaced in NetDevOps.

4 min read

NetDevOps is one of many new terms coming into the IT lexicon as “DevOps” has become widely adopted and lauded as a positive and valuable approach to software development.  As the  IT industry looks to expand DevOps to other areas, NetDevOps has emerged along with other new terms such as “ChatOps”, “SecDevOps” and even “NoOps”. […]

6 min read

Introducing an entirely new era of networking

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NetDevOps Live! episodes in April were fantastic, looking at Ansible, GitLab, Batfish and HashiCorp. Get ready for May's amazing line-up, with shows on Postman, NetBox, and ELK!

3 min read

Take a look at what we've got in store for Season 3 of NetDevOps Live! — powerful tooling available that every NetDevOps engineer can use in their tool chest: Batfish, Postman, HashiCorp, Ansible Network Automation, NetBox and more!

9 min read

Learn what a Source of Truth is, and see how DevNet Sandbox uses Netbox to drive network automation!

36 min read

Part 2 video looks at the development process, and walks you through the 4 steps in service creation.

4 min read

Network behaving differently? See how to use Genie to discover what changed (even when everyone is saying, "nothing changed").

21 min read

DevNet Sandbox is using automation to configure and manage the network in a Network Service based model.

7 min read

DevNet Sandbox provides engineers and developers access to Cisco, partner, and open source infrastructure, and software as a service from the cloud.

5 min read

For the first time in about eight years, I was back in a role where I had day to day responsibilities for a production environment.

7 min read

Cisco Certifications offer a huge value to engineers looking to learn and prove new skills. The new DevNet Certification paths offer a new tool to help guide your learning.

10 min read

DevNet Sandbox is a free cloud service open to anyone interested in exploring Cisco APIs or building applications on one of the variety of platforms available.

3 min read

NetDevOps Live! is back for another season with a look at network automation from start to finish. Preview our program beginning in April and culminating at Cisco Live in June.

3 min read

How do I get started with NetDevOps and automation in my real network? What does it take to leap the chasm from "dev" to "prod?"

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Our new, weekly webinar and video series is dedicated to NetDevOps and network programmability topics, giving you expert-led lab time, and making it easy to keep up and participate.

3 min read

The new NetDevOps page on DevNet puts blog posts, videos, webinars, learning labs, and current community discussion in one convenient place.

6 min read

With "virlutils" NetDevOps engineers get a CLI tool for managing network simulations. A DevNet blog, sandbox, and video show you how to get started

6 min read

Learning Labs, Sandboxes, live events, certification courses, and even a network programmability basics video course offer excellent resources to get you launched on your network programming journey.

2 min read

Is learning topics related to programmable networks - like Python, JSON, REST APIs - really critical to your success as a network engineer?

3 min read

Wow... Cisco Live 2018 in Melbourne is going to be an amazing time, and I can't wait to see everyone there.  Let me know what you are most looking forward to. For convenience, here are the links to my sessions again, register now!

7 min read

Networking Evangelist Hank Preston proposes three principles for Network as Code within NetDevOps. Do you agree?

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The DevNet team brought an amazing array of sessions, workshops, and demos on network programmability and NetDevOps to CLEUR. Here's a review, plus links to the people and presentations.

4 min read

It’s right around the corner… Cisco Live Europe 2018 in Barcelona, and I absolutely can’t wait!  Every Cisco Live I’ve ever been to, or presented at, has been an amazing experience, but Barcelona is going to be in a league of its own.  From the moment I arrive in Spain on Friday morning the entire […]

2 min read

The Network Programmability Basics Video Course is a collection of 28 videos organized into 6 modules. We created it to help jumpstart your journey into network programmability. It's LIVE now!