Blogs

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Cisco DevNet Expert: Round 2

Brief Intro Hello again! For those that are new or need a brief recap of my first Cisco DevNet Expert lab experience, I failed my first attempt and documented my experience in a separate blog post (check it out here!). I won’t go into as much detail as I did in my first experience blog […]

Cisco DevNet Expert: My First Lab Experience

Intro For those that don’t follow me on Twitter (@devnetdan) or my YouTube channel, I began documenting DevNet Expert study journey in the beginning of 2022 (dubbed #RoadtoDevNetExpert). I’ve learned so much along the way and, in this blog post, I’m going to go through everything I experienced along the way, hoping that it will […]

Containerlab: Cisco CSRs in containers?!

Overview Before we dive into the content, let’s take a step back to appreciate where we are at in building test network environments. It all started with building a physical lab environment, where we had to purchase hardware, physical space, power, cables, and the list goes on… After physical labbing became cumbersome and costly, we […]

Road to DevNet Expert

Intro Back in October, Cisco DevNet announced the new DevNet Expert certification. As you can imagine, I was pumped to hear the announcement and ready to begin my study preparations. Ever since they announced the Cisco DevNet certifications at Cisco Live US 2019, my goal has been to obtain each DevNet certification level (Associate, Professional, […]

Sync vs. Async

Introduction I first came across sync (synchronous) and async (asynchronous) programming while I was studying for my Cisco DevNet certifications. It was hard to understand at the time why I needed to know about these two programming terms, but after creating some more complex scripts and apps, I started understanding why each concept was important. […]

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