The Fat Pipe - Most Popular Packet Pushers Pods

Take a Network Break! Red Hat Samba server has a remote command execution vulnerability, and we cover some follow-up on fusion as a viable energy source (still a work in progress). On the news front, we search for signs in SoftBank’s sale of its Nividia stake, Mplify debuts a new certificate on carrier Ethernet for... Read more »

NANOG, or the North American Network Operation Group, is an organization committed to the continuing advancement of an open, secure, and robust Internet. At the NANOG Conference 95 in late October 2025, Ethan Banks chatted with Steve Feldman, a member of NANOG’s Board of Directors. Steve has been involved with NANOG since the very first... Read more »

Think you need a degree or a ton of certificates to succeed in tech? Think again. Matthew Oborne joins our hosts Alexis Bertholf and Kevin Nanns to discuss how he went from working fast food to leading operations at an ISP. Your starting point doesn’t define your ceiling; resilience, adaptability, and a willingness to learn... Read more »

Tomas Kirnak, CEO of Unimus, joins Eric Chou in this sponsored episode to introduce Unimus, an on-premise network configuration management system built by network engineers to solve real-world problems. In this deep dive they discuss Unimus’ proprietary “Behavioral Tree” for automatic device discovery, the platform’s vendor support, the 70/30 rule, and lowering the barrier for... Read more »

Certificates are the socks of IT—everyone needs them, and you always lose track of a few. On today’s show we dive into the ACME protocol, an IETF standard to help automate how a domain owner gets a domain validation certificate from a Certificate Authority (CA). Our guest, Ed Harmoush, a former network engineer with AWS... Read more »

Take a Network Break! We start with a critical vulnerability in Cisco’s Unified Contact Center Express. On the news front it’s a Cisco triple play: the company brings AI to professional services and tech support with Cisco IQ, debuts converged infrastructure for the AI edge, and launches a new cert geared for running AI data... Read more »

How do you architect a Secure Access Service Edge (SASE) to provide critical security services to millions of endpoints distributed across the planet? How do you build such a service for scale, performance, and resiliency? One option is to build your own PoPs or use colocation facilities, run your own infrastructure stack, and connect everything... Read more »

What does network testing and validation really mean? How do testing and validation fit within an automation workflow? Is it possible to run meaningful tests without coding skills? Dan Wade from BlueAlly answers these questions and offers practical insights into building trust in automation through test environments, using AI for ideation and problem-solving, and personal... Read more »

MACsec is a protocol for encrypting Ethernet frames on a local (though not always local) network. Ethan Banks and Holly Metlitzky have an ELI5 (explain like I’m 5) discussion as to what exactly is MACsec and how it differs from IPsec. They talk about when and whether you need to implement MACsec with all the... Read more »

If you think managing Kubernetes clusters is hard, what about managing Kubernetes clusters across three different public clouds? We dive into the challenges that arises from running multi-cloud Kubernetes workloads. These challenges include workload identity, DNS query resolutions, and security. Here to help us navigate this complexity and offer possible solutions is Goutam Tadi, Staff... Read more »

Did you know college students are snooping on satellite transmissions? On today’s news roundup we discuss new research in which university investigators use off-the-shelf equipment to intercept traffic from geostationary satellites and discover that a lot of it is unencrypted. We also dig into the credential hygiene lessons we can learn from a corpus of... Read more »

Cisco Workflows is a new platform that makes network automation easier, smarter, and safer. On today’s episode, sponsored by Cisco, we get introduced to Cisco Workflows by Stephen Orr, Distinguished Solutions Engineer; and Reid Butler, Director of Product Management. They break down how Workflows helps you ditch repetitive tasks, roll out changes faster, and plug... Read more »

Take a Network Break! We start with some educational content on Small Modular Nuclear Reactors, and sound the alarm about a sandbox escape affecting the Firefox browser. On the news front, a DNS issue triggers a major Azure outage that affected numerous services and caused problems around the globe, Palo Alto Networks announces enhancements to... Read more »

On today’s show, sponsored by Itential, we talk about automation in the real world. Guest Jesse Ford is an automation architect at Itential. We talk about his career journey, how he got into network automation, how he decides which is the best tool for a job, and why tool diversity isn’t the same as chaos.... Read more »

On today’s episode, we take a break from one’s and zero’s for a discussion about starting a networking meetup. Our guest is Steinn “Steinzi” Örvar, who recently founded the ISNOG, a network operators’ group in Iceland. We quiz Steinzi about what worked and what didn’t. We also pick his brain for the nitty-gritty details about... Read more »

Your background and experiences outside of tech can become a significant factor in your tech career. Guest Chris Williams is a good example; he talks about how his undergraduate and graduate studies in psychology influenced his work as a Developer Relations Manger at Hashicorp. Hosts Alexis Bertholf and Kevin Nanns chat with him about how... Read more »

CVEs, or Common Vulnerabilities and Exposures, are such a routine aspect of tech that most IT pros probably take them for granted. But like many things we take for granted, the CVE process takes some serious organizational infrastructure to function. On today’s Packet Protector, sponsored by Cisco, we talk about the organizations and processes that... Read more »

Host Eric Chou talks with Jeff Kala, co-author of the newly released “Network Automation Cookbook 2nd Edition,” to discuss his book and the experiences that led him from networking to network automation author. They discuss Jeff’s learning style and why it was helpful when working on his book. Lastly, they dig into Jeff’s predictions on... Read more »

Take a Network Break! Companies spying on…I mean, monitoring…their employees via software called WorkExaminer should be aware of a login bypass that needs to be locked down. On the news front, we opine on whether it’s worth trying to design your way around AWS outages, and speculate on the prospects of a new Ethernet switch... Read more »

The architecture and tech stack of a Secure Access Service Edge (SASE) solution will influence how the service performs, the robustness of its security controls, and the complexity of its operations. Sponsor Fortinet joins Heavy Networking to make the case that a unified offering, which integrates SD-WAN and SSE from a single vendor, provides a... Read more »

Senad Palislamovic has held many roles in his time, from engineer to network operator to sales engineer and back again. He’s been around long enough to see trends come and go. Senad visits Total Network Operations to share some of his observations on network automation, AI for NetOps, and the quality of network data. Senad... Read more »

If you’ve ever wondered what the difference is between a Switched Virtual Interface (SVI) and Integrated Routing and Bridging (IRB), today’s show is for you! Ethan Banks and Holly Metlitzky start with some history and the basics of communication between layer 2 and layer 3 and then explain how the concepts of SVI and IRB... Read more »

While declaring the death of Infrastructure as Code (IaC) or Terraform may get you clicks on LinkedIn, IaC is alive and kicking. On today’s Day Two DevOps we talk about why IaC still matters. Guest Malcolm Matalka argues that IaC provides the tools and a model for managing infrastructure across its lifecycle in a structured... Read more »

Model Context Protocol (MCP) is an open-source protocol that enables AI agents to connect to data, tools, workflows, and other agents both within and outside of enterprise borders. As organizations dive head-first into AI projects, MCP and other agentic protocols are being quickly adopted. And that means security and network teams need to understand how... Read more »

Take a Network Break! On today’s coverage, F5 releases an emergency security update after state-backed threat actors breach internal systems, and North Korean attackers use the blockchain to host and hide malware. Broadcom is shipping an 800G NIC aimed at AI workloads, and Broadcom joins the Wi-Fi 8 party early with a sampling of pre-standard... Read more »

Could an LLM or some kind of an AI-driven language model, such as a natural language interface, someday replace our beloved CLI? That is, instead of needing to understand the syntax of a specific vendor’s CLI, could a language model allow network operators to use plain language to get the information they need or the... Read more »

Multi-cloud, automation, and AI are changing how modern networks operate and how firewalls and security policies are administered. In today’s sponsored episode with Palo Alto Networks, we dig into offerings such as CLARA (Cloud and AI Risk Assessment) that help ops teams gain more visibility into the structure and workflows of their multi-cloud networks. We... Read more »

A college degree can be a useful stepping stone into a tech career, and it certainly doesn’t hurt to have it on your resume. But do you really need that college degree to succeed in IT? Maybe, maybe not. Today’s guest is Wes Noonan, whose non-traditional path into and through a career in IT has... Read more »

We’re thrilled to welcome Tim McConnaughy back to the podcast. Tim is a hybrid cloud network architect, author, and co-host of the Cables to Cloud podcast. He recently wrote a 5-part blog series titled ‘Goodbye, Yellow Brick Road’ that reflects on his career path, including his decision to leave a startup. We discuss the impetus... Read more »

Today we’re bringing back one of our favorite guests — Akili Akridge. He’s a former Baltimore cop who transitioned to building and leading mobile offense and defense teams for federal agencies and Fortune 100s. These days he’s a straight-talking expert on all things mobile security. We’re digging into mobile threats, why they keep CISOs up... Read more »

Take a Network Break! We start with listener follow-up on security browsers, and then dive into a deep pool of Juniper vulnerabilities to pick two critical ones affecting Juniper Space. We also get an update from SonicWall that the breach of its cloud storage service affected all users of the service. Cisco announces a new... Read more »

LightRiver has software and service products focused on the automation, optimization, and simplification of multi-layer, multi-vendor, and multi-generation networking. Today we have a team from LightRiver lead by Jim Brinksma to help explain how LightRiver is advancing automation in optical and bridging the gap between the IP and optical layers. They discuss the challenges, obstacles... Read more »

Today’s show is one of those “We’re living in the future” episodes, where we talk about using AI to perform root cause analysis of a performance issue. But not root cause analysis for just the networking part of the stack. The full stack. Why? Because it’s not good enough to say “it’s not the network”.... Read more »

The job interview is an inescapable part of a career journey. Today on N Is For Networking, we conduct a mock interview with a candidate who’s applying for a junior network administration role. The goal is to give Toni Mrowetz, our candidate, feedback. At the same time, we hope this helps anyone listening who might... Read more »

AI is developing at an incredible pace. With that development comes questions. For instance, how do you connect your resources to agents? How do agents connect with each other? And how do you keep it all secure? Our guest Christian Posta is here to guide us through AI, MCP, and the concept of workload identities.... Read more »

From a massive SIM farm takedown to dealing with supply chain attacks targeting npm, our news roundup provides context and commentary on a fresh crop of security news. We discuss exploits against Cisco firewalls and switches, a SonicWall firmware update to remove a rootkit targeting its SMA 100, and GitHub’s plans to harden npm packages.... Read more »

Take a Network Break! We start with a two-part listener follow-up and sound alarms about a serious flaw in Termix and tens of thousands of still-vulnerable Cisco security devices. Alkira debuts an MCP server and AI copilot for its multi-cloud networking platform; Cato Networks releases a Chrome-based browser extension to help secure contractor and personal... Read more »

Today we get an inside look at a major data center migration that Nokia is undertaking. Nokia is our sponsor for today’s episode. The company is moving legacy sets of data center networking equipment to its own Event Driven Automation (EDA) solution. We go behind the scenes of Nokia’s own IT department, which is supporting... Read more »

If you’ve got an Autonomous System Number (ASN) and an IPv6 block, you too can multi-home IPv6 to your home lab! Sounds easy, right? Well, maybe…but today we’re going to discuss why you’d want to and how you can do that with guest Anton Lönnerbro. Anton is a solutions architect at a managed service provider... Read more »

Starting any new endeavor is hard. That’s particularly true for a career in tech. And that’s the reason Alexis Bertholf and Kevin Nanns are launching the Life In Uptime podcast. In each episode they’ll sit down with engineers, leaders, and builders in tech to uncover the stories behind their careers to help you see how... Read more »

As AI becomes more integrated into the IT landscape, developers, engineers, and operators are looking for practical ways to use these new tools. Joining us today is Ryan Booth; he’s built a career around network automation, giving him a unique perspective on how network engineering, operations, software development, and AI intersect. We explore the practical... Read more »

What does the risk environment for Operational Technology (OT) look like in 2025? JJ and Drew review four recent reports on the state of OT security from Dragos, Fortinet, and others. We discuss ransomware impacts, ongoing risks of RDP traffic, directly exposed OT devices, and overall attack trends and the tools and processes that organizations... Read more »

There’s an abundance of vulnerabilities in this week’s Network Break. We start with a red alert on a cluster of Cisco vulnerabilities in its firewall and threat defense products. On the news front, the vulnerability spotlight stays on Cisco as the US Cybersecurity and Infrastructure Security Agency (CISA) issues an emergency directive to all federal... Read more »

On today’s Heavy Networking: the Security Operations Center, or SOC. When I think of a SOC, I picture a miniature version of NASA’s mission control: lots of computers, lots of people, some big boards with lines and arrows and telemetry scrolling across the screens. I also think of SOCs as requiring a lot of gear,... Read more »

In an IT world full of abstraction, overlays, and virtualization, it’s important to remember the physical infrastructure that supports all those things. So let’s get inside Mass IX, the Massachusetts Internet Exchange, to get a holistic view of the logical architecture and protocol mechanics of peering and Internet exchanges, as well as the iron, steel,... Read more »

We dive back into the world of IPsec with an episode dedicated to configuring IPsec tunnels. After discussing a listener comment regarding transport mode in IPsec tunnels, Ethan Banks and Holly Metlitzky work through topics such as multi-vendor IPsec configuration, licensing, and the details of configuration and routing. Bonus material: MTU size and NAT-T. Episode... Read more »

Today we talk to Elad Ben-Israel about his former startup Wing Cloud, and the language that was built along with it, Winglang. We discuss why Eland started Wing Cloud, lessons learned about founding a start up, and what the future holds for the Winglang language. Ad Spot: Faddom Faddom helps you discover and map your... Read more »

Transforming over 5,000 network devices across 56 data centers is no small feat. Doing that with a very small team is even more impressive. On today’s episode, sponsored by Network To Code, we talk to Greg Botts from Intel, who with his team accomplished just that. They started with YAML files and DNS records and... Read more »

Microsegmentation is a complex topic. We did an overview episode earlier this year, and we invited listeners to reach out to keep the microsegmentation conversation going. Today’s guest did just that. Philip Griffiths is Head of Strategic Sales at Netfoundry. However, this isn’t a sponsored show about NetFoundry. Philip is also involved in a working... Read more »

It’s big-money deals and ever-more AI on this week’s Network Break. We start with a red alert from NVIDIA, which has rolled out a software upgrade to patch multiple bugs in its Triton Inference Server, one of which is a dangerous remote code execution vulnerability. On the news front, NVIDIA pledges a $5 billion investment... Read more »