Rowell Dionicio

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Rowell Dionicio

San Diego, CA

Founder of Packet6. CWNE #210. Host of Clear To Send. I write about enterprise IT from the operator's perspective and the gap between what vendors promise and what your team actually has to build and run.

Why Your Next AI Decision Is a Networking Decision

Why Your Next AI Decision Is a Networking Decision

I'll be honest, I didn't expect much from HPE Discover. I've watched HPE for years and never fully thought we'd see the industry be where it is today. I felt that HPE didn't have a clear path forward. Then I

Systems-led business

Packet6 2025 Year in Review: Building a More Disciplined, System-Led Business

If I had to summarize 2025 for Packet6 in one sentence, it would be this: 2025 was the year we started building a disciplined, system-led business. This wasn’t a year of growth or big announcements. It was a year of clarity. A year where our weaknesses became visible.

Simplifying Repetitive Tasks with Python Loops

Simplifying Repetitive Tasks with Python Loops

This post on For and While loops is part of my Zero to Network Automation series. Be sure to catch the whole journey on its dedicated page. A loop is a method for us to automate repetitive tasks. If you’re always configuring 48 port switches, checking the status of

Python Flow Control with If Statements

Python Flow Control with If Statements

Python Flow Control with If Statements is part of the series — Zero to Network Automation. In this post, we’ll explore Flow Control in Python code and how it relates to If statements. Python code doesn’t run from top to bottom, sequentially. It’s not a list of things

What are Python Boolean Values and Operators

What are Python Boolean Values and Operators

Learning Python Boolean values and operators is part of the series — Zero to Network Automation. In this post, we’ll explore Python Boolean values and operators — the building blocks of decision-making in scripts and network automation. In network automation, we constantly make decisions — “Is the interface up?”, “Did the

Python Flow Control

Python Flow Control

Everything comes down to evaluating expressions. That means our code isn't going to be ran from the start to the end of the code sequentially. Our code will use flow control to decide what to do next. And with networking, we're likely to decide what to do next after looping through a set of data to

From Zero to Network Automation: My First Step into Python

From Zero to Network Automation: My First Step into Python

This is the first real step in my Zero to Network Automation journey — learning Python from the ground up. In this post, I cover the absolute basics: the data types, variables, and functions that form the foundation for everything in Python. These are my notes — concise, practical, and focused on wh