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Heavy Networking is an unabashedly nerdy dive into all things networking. Described by one listener as "verbal white papers," the weekly episodes feature network engineers, industry experts, and vendors sharing useful information to keep your professional knowledge sharp and your career growing. Hosts Greg Ferro, Ethan Banks and Drew Conry-Murray cut through the marketing spin to explore what works—and what doesn't—in networking today, while keeping an eye on what's ahead for the industry. O ...
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News, how-tos, and roundtable discussions weekly about everything DNS (and DHCP and IPAM). You have DNS questions and problems; we have answers and solutions.
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HN749: Expand Your Network Labs With Containerlab and Clabernetes
52:04
52:04
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On today’s episode, we cover open source Clabernetes, a tool that allows you to run Containerlab on Kubernetes. Containerlab provides a CLI for orchestrating and managing container-based networking labs. It starts the containers, builds a virtual wiring between them to create lab topologies of your choice and manages the lab’s lifecycle. We discuss…
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HN748: How AI and HPC Are Changing Data Center Networks
1:07:50
1:07:50
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On today’s episode of Heavy Networking, Rob Sherwood joins us to discuss the impact that High Performance Computing (HPC)and artificial intelligence computing are having on data center network design. It’s not just a story about leaf/spine architecture. That’s the boring part. There’s also power and cooling issues, massive bandwidth requirements, a…
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Our Heavy Networking guest today is Hans Driessens, and we sat down at AutoCon1 to talk through some of his network automation projects. Hans shares his journey from a service engineer to a consultant specializing in network automation. We discuss the evolution of programming languages, the importance of foundational programming skills, and the pra…
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HN746: Going Deep on OSPF Route Filtering
48:20
48:20
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48:20
On today’s episode we delve into OSPF filtering. That is, how to filter routes from a device’s routing table in an OSPF environment. This is a tricky business, because OSPF requires an identical database on every device in an OSPF area. That means you can’t stop announcing a route from one OSPF router because you... Read more »…
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Today’s episode of Heavy Networking comes to you from AutoCon1 in Amsterdam, recorded live on premises. In today’s network automation discussion, we cover abstraction layers with guest Jaakko Rautanen. Practically speaking, what are abstractions, and how do they help make your network automation project successful? We’ll also discuss some of our gu…
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HN744: How BackBox Helps You Mitigate CVEs for Network Devices (Sponsored)
44:10
44:10
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44:10
Today we explore a network automation use case for configuration compliance in the face of never-ending common vulnerabilities and exposures, or CVEs. If you can automate that compliance, you have a shot at keeping pace with the bots and attackers attempting to exploit those CVEs and breaching your network. Our guest is Rekha Shenoy, CEO... Read mo…
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HN743: Leveraging AI for Network Automation at Scale (Sponsored)
49:01
49:01
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49:01
AI is making its way into network automation. Maybe the thought of a hallucinating ChatGPT getting its six-fingered hands on your network makes you want to run the other way. But the story of AI for IT operations is more nuanced than the hot takes we get about the confidently dumb results that Large Language... Read more »…
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HN742: Designing a Real-World Hybrid Cloud Network
55:21
55:21
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On today’s show we talk about designing a network to support hybrid cloud deployments. That is, building and operating a network to interconnect the Big Three US public clouds (GCP, AWS, and Azure) as well as on-prem infrastructure to support a variety of applications and workloads. The network design had to meet several requirements, including... …
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HN741: History of Networking: How Bridging Saved Ethernet
47:59
47:59
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Ready to take a trip back to the 1980’s and learn some networking history? We talk with Alan Kirby, who was there forty years ago when the first Ethernet bridge was created at Digital Equipment Corporation (DEC). He explains the story of why and how it came to be. We discuss how Ethernet compared to... Read more »…
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HN740: IETF’s Network Management Operations (NMOP) Working Group
47:36
47:36
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When you think of IETF, you probably just think of defining protocols, but its new NMOP working group is all about helping network operators identify issues and deploy solutions, including those that pop up around automation. Mahesh Jethanandani is an Area Director (AD) for Management in IETF, which oversees the NMOP WG, and joins the... Read more …
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