The Fat Pipe - Most Popular Packet Pushers Pods

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 »

At AutoCon0 in November 2023, guest Jeremy Schulman delivered a talk from the main stage about delivering network assurance. If the term “network assurance” doesn’t mean anything to you, think about how you prove after an install or a change that the network is doing what it’s supposed to be doing. If you’re doing it... Read more »

While it’s easy to find technical content and make professional connections online, in-person interactions are still valuable for learning, forging business and personal connections, and career development. On today’s Day Two Cloud we discuss how and why to build local tech communities. Guest Laura Santamaria is a developer, developer advocate, and longtime community builder. We... Read more »

Take a Network Break! We start the new year by examining major themes and trends that we think will affect IT and networking in 2024. Topics include: AI beyond LLMs Whether open source can remain a viable model in a predatory tech environment Cisco vs. everybody Why IT can’t ignore geopolitics for strategic planning What... Read more »

At NewYork-Presbyterian Hospital, patients are the priority. That focus on patient care extends to the hospital’s campus network, data center, wireless network, and SD-WAN. These networks are instrumental for delivering medical applications and connecting medical devices. On today’s Heavy Networking, we talk with network architects and engineers at NewYork-Presbyterian about their use of automation to... Read more »

Today’s show explores platform engineering. Guest Chad McElligott has thought a lot about the practice of platform engineering, and a blog post and talk he gave about the subject inspired us to reach out and have a conversation. Chad describes platform engineering as “the application of a Product Mindset to supporting your engineering organization’s software... Read more »

On today’s Day Two Cloud podcast we talk about a cloud project where things didn’t go as planned. There were people problems, technical problems, and regulatory problems. Our guest Jonah Andersson shares lessons learned and how they can inform your own cloud strategies. We also talk about how to identify your project goals to determine... Read more »

Broadcom’s VMware has announced an end to perpetual licensing, network automation provider Anuta Networks is adding generative AI capabilities to its Atom platform, and high-end firewall revenues dip but campus switch sales soared in Q3 2023. The Open Networking Foundation, which oversaw open projects around software-defined networking, is closing its doors and folding its projects... Read more »

SD-WAN is evolving to encompass more features and capabilities around security, application performance, network visibility, and more. On today’s Heavy Networking, sponsored by Palo Alto Networks, we look at how SD-WAN has transformed from a simple network connectivity solution to a comprehensive networking and security system. We discuss the limitations of legacy branch routers and... Read more »

This is part two of a special edition of Day Two Cloud we’re calling Security KubeConversations. I spent two days in the Windy City, attending KubeCon Cloud Native Con Chicago 2023. I had the opportunity to speak to a wide array of vendors and open source maintainers about what’s happening on the security front in... Read more »

Our KubeConversations series continues with a two-part episode on securing Kubernetes and cloud-native infrastructure. I attended KubeCon 2023 in Chicago and had the opportunity to speak with vendors and open-source maintainers about the work they’re doing to help protect your Kubernetes environments. In this episode we’ll talk about a Kubernetes Bill of Materials, protecting K8s... Read more »

IBM has announced a new quantum processor and modular quantum computer in an effort to own the next generation of computing, Cisco unveils an AI assistant to help you untangle firewall rules, and Marvell debuts new DPUs for switches, firewalls, and other networking devices. The MEF looks for ways to stay relevant in the broadband... Read more »

Welcome to Heavy Networking! On today’s show we’ve got a roundtable conversation on the state of automation in the networking industry. This show was inspired by the recent AutoCon conference, which is a new conference focused specifically on network automation. Ethan Banks and I both attended, as did two our guests, and we’re going share... Read more »

Welcome to Day Two Cloud! In this episode with Microsoft, it’s November 2023, and I’m in Seattle for the Microsoft Ignite conference. If you think you heard this intro before and you’re wondering if you’re hearing the same episode again, you’re not. This is the second episode from Microsoft Ignite 2023. Today, I’m talking with... Read more »

Today we’re talking security, but security you don’t always see. Fortinet, today’s sponsor, has millions of devices in the field. These are real-world devices seeing real-world traffic, all day, everyday. While those devices have a primary protection role, they can also serve as sensors that collect threat signals and feed threat intelligence services that can,... Read more »

Broadcom’s latest Trident ASIC will include a neural net inference engine on the chip that can analyze traffic and take action in the packet pipeline, but it’s up to customers to build rules and signatures based on their own training data. Broadcom has also announced it will lay off approximately 1,300 VMware employees. Identity provider... Read more »

Public clouds abstract away much of the nitty-gritty work that goes into provisioning infrastructure, including networking. Application teams can quickly connect resources and deploy applications without having to know much about the plumbing that links everything together. When they compare the public cloud experience to standing up applications in an on-prem data center, the on-prem... Read more »

From using hollow core fiber to building networks designed to support AI workloads and modern applications, there’s a lot happening in Azure networking. In this sponsored Day Two Cloud episode, recorded live at Microsoft Ignite this November, we have a wide-ranging discussion about new and forthcoming features and capabilities. My guest is Narayan Annamalai, who... Read more »

Now that Broadcom’s $69 billion VMware acquisition is complete, will Broadcom invest more in VMware to compete in multi-cloud or settle for profitable revenue collection from existing customers? Nvidia debuts a SuperNIC designed to accelerate Ethernet to support AI workloads and announces partnerships with server makers to bundle its NIC in an AI Ethernet stack.... Read more »

Welcome to part 2 of my KubeConversations. I spent two days in the Windy City attending KubeCon Cloud Native Con Chicago. I had the opportunity to speak to a wide array of vendors and open source maintainers about what’s going on in the cloud native ecosystem. From those conversations, I picked up on some major... Read more »