The Fat Pipe - Most Popular Packet Pushers Pods

You can’t just drop a knife on fish and expect there to be sushi. Jack Lindamood joins us today to share his metaphors and thoughts on picking the right IT tools and processes as outlined in his popular article, “(Almost) Every Infrastructure Decision I Endorse or Regret after 4 Years Running Infrastructure at a Startup.”... Read more »

If your approach to firmware is that you don’t bother it as long as it doesn’t bother you, you might want to listen to this episode. Concerns about supply chain vulnerabilities are on the rise and for good reason: Attackers are targeting firmware because compromising this software can allow attackers to persist on systems after... Read more »

Take a Network Break! This week we start with some FU on Juniper’s Mist AI, the ConnectWise vulnerability, and the 25th anniversary of the Cisco Cat6. The US Cybersecurity & Infrastructure Security Agency (CISA) has proposed new rules that require organizations to report security incidents within 72 hours and ransomware payments within 24 hours. Intel... Read more »

To run AI workloads, a network needs thousands of GPUs and those GPUs must operate in sync. If there is congestion or dropped frames, very expensive efforts could be delayed or disrupted. While there are advantages to using Ethernet for AI networking (including engineers well-trained in the protocol and a robust ecosystem), it wasn’t designed... Read more »

The intersection of Python and network engineering is Kirk Byers’ sweet spot. Today, the creator of the Netmiko library and core maintainer of NAPALM joins the show to tell us about his network automation journey. We also discuss Kirk’s experience on the business side of things, both the ups and downs. This is Part 1... Read more »

Learning cloud security can be daunting for experienced network engineers, much less complete newbies. That’s why Rich Mogull started “Cloud Security Lab A Week,” aka Cloud SLAW. Every Thursday, he emails subscribers a new hands-on lab, building a full enterprise deployment week-by-week, step-by-step. Rich explains all the details to JJ and Drew including the cost... Read more »

Take a Network Break! This week we try to peel back the layers on HPE’s announcement about new GenAI capabilties in Aruba Networking Central, parse Broadcom’s touting of its AI credentials, and feel conflicted about Intel sucking up billions in taxpayer dollars. South Korean chipmaker SK Hynix dangles a $4 billion investment promise to the... Read more »

Where there are containers, there is networking. Today we dig into the networking that underlies Kubernetes, the open source orchestration platform for container-based applications. Our guest Karim El Jamali takes us through the essential concepts: Nodes, pods, clusters, CNIs, virtual ethernet pairs, ingress controller, eBPF, and service meshes. As container-based applications grow in popularity, it’s... Read more »

Life isn’t easy for someone looking for a job in tech. There are lots of content mills pushing the idea that if you just pass this one six-month course, you’ll have a six-figure career in no time. There are lots of hiring companies who make job applicants jump through a ton of hoops, but often... Read more »

You’re already running IPv6, even if you don’t know it yet. Your remote users are using it at their homes, your printers come with it built into the kernel, your generals are using it on their mobile phones (check out our news headlines section). So let’s stop trying to disable it whack-a-mole style, and start... Read more »

Take a Network Break! Nvidia announces new 800G switches, one for Ethernet and one for InfiniBand, for building AI fabrics. Nvidia also announces an “AI supercomputer,” a rack-scale pre-built bundle of Nvidia GPUs and CPUs connected via InfiniBand switches. The NaaS startup Meter announces new campus switches and what it calls a “digital twin” capability,... Read more »

Fiserv is one of the largest payment processors in the world, In 2023 it handled more than 35 billion transactions worth $2.03 trillion US dollars. Its network is critical to the business. The organization knew it needed network automation, but early attempts got some things wrong. On today’s Heavy Networking we talk about how Fiserv... Read more »

In this podcast episode, Randy Horton from Orthogonal and Ian Sutcliffe from AWS discuss the complexities of supporting regulated medical devices in the cloud. They explore the challenges of adhering to regulations, the importance of security, and the need for robust frameworks. The conversation highlights the non-prescriptive nature of regulations, encouraging best practices rather than... Read more »

Welcome back for Part 2 of Eric’s interview with Roman Dodin, co-creator of containerlab. Roman describes containerlab as a “lab as code” tool that quickly and easily creates virtual networking topologies. With increased automation and containerization in network engineering, the tool’s popularity has exploded. We talk about how folks contribute to containerlab’s development and what... Read more »

This episode is for IT professionals who work in small- to medium-sized businesses and are expected to handle cybersecurity on top of issues like “my camera isn’t working on Zoom.” Guest Joe Stern has been filling this role for an 80-person company for almost 30 years. We talk about how he prioritizes risks, security tools... Read more »

This week on Network Break we discuss a new on-prem version of NetBox Labs’ source-of-truth software with enterprise support, why Selector AI is adding an LLM to its operations and observability product, and whether a new Web application firewall from Cloudflare can protect LLMs against malicious prompts. Viavi Solutions consolidates the network testing space with... Read more »

Matt Horn built a data center network through automation, remotely. This is the future of network engineering. Matt shares how his team did it technically: Terraform, a little Ansible, leveraging pipelines, etc. But he also shares the processes and culture that made it happen: Management and peer buy-in, tight enforcement based on user access, and... Read more »

What if you could eliminate the burdens of networking without losing your control and visibility of the network? That’s the idea behind Nile. With Nile co-managing the network, you don’t have to spend all your time chasing down tickets, running patches, and dealing with CLI syntax. Instead you get to focus on higher level tasks... Read more »

According to Bryson Bort, you can build higher metaphorical fences, electrify them, and have sharks with laser beams prowling the moat, but attackers are still going to get through the security perimeter. That’s why the priority of any IT team should be to identify anomalies and anticipate attack logic. To do this, organizations need to... Read more »

This week we discuss a new network observability offering from Arista that integrates network telemetry with application data, why startups such as Groq and Taalas think they can break Nvidia’s grip on the AI chip market, and how Microsoft is hedging its LLM bets. Amazon goes nuclear with the purchase of a reactor-powered data center... Read more »

Today we metaphorically pop open the hood of switches and routers, taking a look at the mechanics of how they work. We cover the three states: configuration, operational, and forwarding. We talk RIB and FIB, along with CAM, TCAM, and MPLS. We also cover line rate, port-to-port latency, and buffers. Whether it’s been awhile since... Read more »

Big risk, big reward: That’s the origin story of both containerlab and its maintainer, Roman Dodin. Roman tells Eric the story behind containerlab, a free software platform for building network labs and testing designs, as well as his own story of taking leaps into the unknown. This is the first episode of Network Automation Nerds... Read more »

Today we welcome a new co-host, Kyler Middleton, to the Day Two Cloud podcast. Kyler grew up in rural Western Nebraska, fixing neighboring farmers’ computers in exchange for brownies and Rice Krispies. Now she’s the newest co-host for Day Two Cloud… perhaps a lateral move, given the lack of baked goods. Kyler will draw on... Read more »

When you’re picking a penetration tester to poke at your security infrastructure, how do you know if you’re picking a good one? Is pen testing even the right service for your needs? Pen tester, SANS course creator, and OWASP board member Kevin Johnson joins the show to share tips for what to look for in... Read more »

Take a Network Break! Johna Till Johnson joins as guest host while Greg Ferro enjoys some time off. We start with follow-up regarding damage to subsea cables in the Red Sea, and then dive into news. AT&T deals with the fallout of a major US outage, Vodafone also suffers outages in the UK, and Elisa... Read more »

Right now, we have the building blocks for network automation, but we don’t have end-to-end designs or complete systems. It’s like having a bunch of Legos but no instructions for how to build your spaceship. Ryan Shaw, David Sinn, and their colleagues in the Network Automation Forum are tackling this problem. Their goal is to... Read more »

Chances are, you’ve probably only heard of GovCloud because at the bottom of new feature releases from the Big 3 there’s usually an asterisk that says “not yet available in GovCloud.” So what is GovCloud? And why does it not get the newest shiny thing as fast as the rest of us? Chris Wahl has... Read more »

What are the best cybersecurity certs to get? Do advancements in cloud and AI mean security professionals need to re-skill? How do certifying organizations decide what new courses to create? Chief Curriculum Director and Faculty Lead at the SANS Institute, Rob Lee, joins Jennifer “JJ” Minella and Drew Conry-Murray to give an insider’s view on... Read more »

Take a Network Break! This week we cover financial results from Palo Alto Networks (good, but next quarter’s softer forecast resulted in a drubbing), Cisco (not good), and Nvidia (so good that Wall Street is nervous about how long the party’s gonna last). Prosimo and Nokia have announced generative AI assistants that claim to help... Read more »

One dark day, Ivan Pepelnjak stopped labbing. He just couldn’t make himself yet again go through assigning addresses, building links, putting devices in place, setting up OSPF, BGP, VXLAN, EVPN, etc. before even being able to start whatever simulation or test he wanted to do. But from that darkness arose netlab. Ivan created netlab to... Read more »

Broadcom’s acquisition of VMware has generated a lot of anxiety among VMware customers. In this episode, we closely analyze the situation. First, we look at Broadcom’s past acquisitions in the infrastructure sector. Then we examine the product alignment and possible new product offerings and whether the acquisition will hamper innovation and development. We also cover... Read more »

Today we look at secrets management and privileged access management from the perspective of a network engineer. How do you and your team securely store sensitive data including passwords, SSH keys, API keys, and private certificate keys, while still being able to work nimbly? What Privileged Access Management (PAM) practices can help put guardrails in... Read more »

The days of network cowboy heroism are over… or at least they need to be. It’s time for network engineering to grow up and standardize how networks are built. Not only will this make life easier for all of us as we inherit networks when we move from company to company, but it’s the only... Read more »

What are we talking about when we are all talking about private clouds? On-prem? Hybrid? Virtualization? Where does hardware fit into it all– and would younger engineers even know what to do with a physical piece of hardware? Driven by Broadcom’s acquisition of VMare and the anticipated rising costs of VMare licenses, enterprises are exploring... Read more »

Hi, I’m Eric Chou, and welcome to the Network Automation Nerds podcast, the newest addition to the Packet Pushers family. This is your audio destination for network engineers and infrastructure professionals who are on a mission to build stronger, more resilient systems through the art of network automation. Join us as we connect with a... Read more »

It’s time to make the switch from WPA2 to WPA3. We cover how to do it and what migration challenges to be prepared for no matter what WLAN you are dealing with (open, passphrase, or 802.1x) . We also discuss what features make WPA3 an improvement over WPA2, particularly the replacement of PSK with SAE.... Read more »

Take a Network Break! We start with an FU on return-to-office policies, and then dive into some announcements from Cisco Live in Amsterdam. Cisco is rolling out rack and blade servers with Nvidia Tensor chips, and Cisco is adding new features to its Digital Experience Monitoring capabilities. Verizon hopes to utilize its MPLS network as... Read more »

Yale’s efforts to load-balance RADIUS servers is a case study in system design for resiliency. First, there was a lone, redundant PSN. Next, F5s load balancers entered the picture. Then the network team realized a feature in IOS-XE was the answer… and brought Cisco along the learning journey with them. Hear it all from the... Read more »

Chaos engineering is all about resilience and reliability… it just takes the harder path to get there. By injecting random and unpredictable behavior to the point of failure, chaos engineers observe systems’ weak points, apply preventative maintenance, and develop a failover plan. Matt Schillerstrom from Harness introduces Ned and Ethan to this wild corner of... Read more »

This week on Network Break we discuss Dell terminating its resale agreement of VMware as Broadcom looks to streamline OEM agreements, a new Wi-Fi AP and cloud-managed switches from Extreme, and the fits and starts in US chip manufacturing. A new study finds Return-To-Office (RTO) mandates don’t improve productivity or company performance, but do drive... Read more »

Guest Dinesh Dutt introduces his newest creation, SuzieQ. It’s a network observability platform application that has both a free, open source version and an enterprise version. Lightweight, fast, and platform-agnostic, SuzieQ’s use cases include network documentation, troubleshooting, fabric-wide visibility, network refresh and redesign, low/no code validation, audits and compliance, and proactive health checks. Hosts Ethan... Read more »

Hi, I’m Jennifer Minella and I’m excited to finally share with you all that I’ll be co-hosting a new podcast on the Packet Pushers network. It’s called Pocket Protector, a podcast exploring the intersection of networking and security. Each week, we’re drilling into topics, from wired and wireless network security to access control and zero... Read more »

Cloud repatriation: Is it a good idea? Guest Marino Wijay, an OSI and networking open source advocate, joins hosts Ethan Banks and Ned Bellavance to discuss the recent interest in cloud repatriation. They cover the intricacies of moving workloads from the cloud back to on-premises or edge environments, and question if it is possible to... Read more »

This week we discuss new products from Juniper including synthetic testing software for its Mist wireless networks and its first step toward integrating its Apstra data center software with AI. VMware clarifies its product strategy as customers face rising prices, and undersea cables in the Red Sea face potential threats. Nokia and Chinese mobile device... Read more »

Remote and hybrid work means network engineers have to grapple with lossy residential networks such as home wireless that your work-from-home folks are using to access company resources. Their Wi-Fi sucks, and so their use of corporate resources sucks. Sure, you’ve got them plumbed into a SASE fabric, but that doesn’t fix their user experience... Read more »

Today we’re talking about Python. If you’re new to Python and want to add it to your toolkit, this is the show for you. This episode offers a broad perspective on all the approaches and plug-ins that Python includes. Our guest Michael Kennedy is a Python enthusiast and Python instructor. We discuss: Why you should... Read more »

This week’s Network Break examines why Cisco bought eBPF startup Isovalent (hint: it’s about cloud-native networking), why Broadcom is cranking up pressure on VMware resellers and customers (hint: it’s about money), and why Google Cloud is sort of dropping fees for customers who want to exit the cloud (hint: it’s about getting out ahead of... Read more »

On today’s episode, we discuss networking sources of truth. That’s right, sources of truth, because you’re likely to have more than one depending on your environment and your point of view. On LinkedIn, Ethan Banks quoted someone at the AutoCon0 conference who essentially said that the network itself shouldn’t be used as a source of... Read more »

We talk with Tim Banks about a wide range of topics including career development, how to stand out as an interview candidate, building a resume, finding your blind spots, diversity in tech (or lack thereof), and more. Let’s get into all the things with Tim! Episode Guest: Tim Banks | Lead Developer Advocate at Dell... Read more »

Take a Network Break! On today’s show we spend most of the episode talking about HPE’s $14 billion bid for Juniper Networks. We discuss reasons for the deal, product overlap, potential upsides, challenges to integrating these two companies and their product lines, and more. We also talk about a successful test by Starlink to send... Read more »