N4N015: Spanning Tree Part 3 – Versions, States and Guards
We’re back with the third and last (for now) installment of our spanning tree series. Today’s episode includes an explanation of spanning tree versions, 802.1D, 802.1w, 802.1s, and their practical implications for network design. The discussion then turns to BPDU guard for preventing loops and ensuring rapid connectivity. Bonus material on why you should or... Read more »TNO018: The Network Engineer’s Evolution: Thinking Like a Product Owner (Sponsored)
What does it mean for a network engineer to develop a product mindset? And what does a product mindset have to do with network automation? Guest Peter Sprygada connects these concepts in today’s episode of Total Network Operations, sponsored by Itential. Peter says that as an organization advances its network automation capabilities, the impetus shifts... Read more »NAN086: A Reality Check On AI for Network Operations
On today’s episode, we get a reality check on all the hype surrounding AI with guest Phil Gervasi. Phil provides background on Large Language Models (LLMs) and their applications, as well as the current state of AI technology. We also delve into practical use cases for AI in network operations, from AI as an assistant... Read more »PP051: Security Certifications From Beginner to Advanced
Certifications are a fact of life in a technical career. They can also provide a pathway to help you earn new roles, sharpen your skills, and boost your salary. On today’s Packet Protector we look at security certifications for beginners, experienced professionals, and advanced practitioners. This episode was inspired by a LinkedIn post by Ethan... Read more »HS096: Corporate Foresight and How to Get It
Someone needs to be scanning the horizon for the threats and opportunities that are distant for now–and they need to be able to turn that foresight into action. We welcome John Miranda of Intel for a lively discussion of how to look ahead, how to get folks to pay attention to the alerts you raise,... Read more »
NB515: Quantum Computing’s Future Looking More Certain; Arista Posts Record 2024 Revenues
Lots of good stuff in this week’s Network Break. Microsoft announces an 8-qubit quantum chip and declares that practical quantum computing is years, not decades, away. D-Wave says its quantum computers are now commercially available for research facilities, academic institutions, and governments. Apple rolls its own 5G modem into its iPhone 16e. Meta announces its... Read more »HN769: CI/CD Pipelines and Network Automation
Continuous Integration / Continuous Deployment (CI/CD) is a framework that developers use to help them manage and integrate frequent code changes. As network automation evolves, should network engineers adopt CI/CD? Guest Tony Bourke joins us to talk about CI/CD pipelines: what they are, how they’re used, and how they can support network automation efforts. We... Read more »TNO017: Lead People, Manage Machines and Processes
Lead people. Manage machines and processes. That’s the the advice from Bill Hunter, today’s guest on Total Network Operations. Bill shares lessons of resilience and adaptability he learned early in his career, including the power of good habits. Bill and Scott discuss how to identify processes that can be automated and when and where to... Read more »IPB169: 10 Years of the UK IPv6 Council
IPv6 Buzz welcomes back Veronika McKillop, the founder and President of the UK IPv6 Council, to talk about the council’s formation and achievements in the past ten years. We look at IPv6 adoption in the UK and its challenges, and what the future holds for IPv6. Veronika highlights the need for improved IPv6 education in... Read more »N4N014: Spanning Tree Part 2 – Root Bridge, Edge Port, Forwarding and Blocking
Welcome to part 2 of our spanning tree series. We start with a quick review and then discuss root bridges, root ports, designated ports, and forwarding and blocked ports. We explain the impact of topology changes on spanning tree and network performance, and discuss how topology changes and convergence events are communicated. Last but not... Read more »D2DO265: How Do We Measure Developer Experience?
Developer experience is a hard metric to measure qualitatively. On today’s show, we talk with Kristen Foster-Marks about Developer Experience, or DevEx. We start with the controversial concept of “ghost engineering,” which claims many software engineers do not contribute meaningfully to their work. We delve into the validity of this claim, and discuss the scientific... Read more »PP050: Understanding–and Protecting Yourself From–the Malware Economy
There’s a robust malware economy with an active market for exploits, brokered access to compromised systems, ransomware, bots-as-a-service, and more. And this malware economy is targeted at you. On today’s Packet Protector we talk with Jake Williams, a security researcher, consultant, and instructor, about the malware economy, how it operates, and the most effective strategies... Read more »HW046: The Flipper Zero: A Swiss Army Knife for Tech Enthusiasts
The Flipper Zero is like a Swiss Army knife for wireless tech enthusiasts. Today’s guest, Jason Beshara, is teaching a course on the Flipper Zero device at WLPC Phoenix 2025. He discusses its functions, including its ability to send and receive a variety of radio signals including Bluetooth, NFC, and sub-gigahertz frequencies. The conversation covers... Read more »Tech Bytes: Nokia Event-Driven Automation: Simple, Reliable Data Center Automation (Sponsored)
Nokia’s Event-Driven Automation, or EDA, is a network automation platform that aims to help network engineers achieve predictable, error-free operations so you can keep up with all the change tickets coming your way while ensuring the data center is reliable and performant. On today’s Tech Bytes podcast, sponsored by Nokia, we’ll talk about how EDA... Read more »NB514: Cisco, Juniper Announce New Switches; SolarWinds Goes Private in $4.4 Billion Buyout
Take a Network Break! We start with some Red Alert vulnerabilities to get your blood pumping, and then dive into networking news. Cisco announces new data center switches with AMD Pensando DPUs that let you deploy security and other services directly on to the switch. Cisco ThousandEyes is previewing Traffic Insights, which correlates flow records... Read more »HS095: The Journey to a Self-Healing Network: Intelligence, Agents, and Complexity (Sponsored)
Can AI and automation create a truly autonomous network, one that’s self-diagnosing and self-healing? Join Vitria CTO and Founder Dale Skeen and industry analyst Charlotte Patrick in this sponsored episode of Heavy Strategy to discuss the challenges–and limitations–of using AI to create autonomous networking. This discussion covers the “intelligence architecture” required to implement automation, and ... Read more »