Hank Preston

Take the scare out of spanning tree with a strong foundation in practical network design and configuration practices. You never know when it might come back to haunt you, just like in Hank's spooky story.

In the second installment of the default Docker networking series, Principal Engineer Hank Preston continues his exploration into layer 3 (network), shining the light on how container network traffic is routed, NATed, and filtered.

Learn Docker networking starting with the three options every network engineer should know. Principal Engineer Hank Preston provides a step-by-step walkthrough of the default Docker bridge network environment in Linux, Docker container networking, and much more.

It's the skill every network engineer needs. Learn how to use the “ip” command to explore the network configuration of a Linux system.

Walk down memory lane with Principal Engineer Hank Preston, as he shares his personal journey in bringing the DevNet Expert certification to life.

You know that movie about dreaming within a dream within another dream? Well, that kind of inception world is what I think about whenever I take one of the Cisco Learning Courses to learn something I need to know to work on the platform that hosts those same courses. It blows my mind every time! […]

It's not just for Pi Day! From Pi-powered network services to a network sensor/traffic analysis device or home lab management station, the Raspberry Pi is a flexible workhorse that should be the next worthy addition to your lab.

Want to explore new ways to apply network automation skills to real world network operations and engineering activities? Register to attend Hank's session at DevNet Create.

Are you a network engineer turning network automation engineer? Join the DevNet Associate Prep Program for completely FREE access to materials and webinars to take your skills to the next level.