HN777: Overlay All the Things?
Today’s Heavy Networking is all about overlay technologies, their history, development, and current state, both from engineer and vendor perspectives. We discuss why the industry turns to overlays to solve problems, and look at overlay and segmentation approaches including VXLAN, SRv6, and EVPN. We also drill into the idea that EVPN could become the standard... Read more »N4N022: SNMP Fundamentals
Following last week’s introduction to network monitoring, we discuss the Simple Network Management Protocol (SNMP), one of the most implemented types of network monitoring. We discuss how it is organized, operations that SNMP can perform, and versions of SNMP. This week’s bonus conversation is a discussion on the future for SNMP. Episode Links: MIB tree... Read more »D2DO269: Intergalactic Dataspeak and Making Data Actionable
Data and what you do with it is the topic of today’s show with guest Dominic Chapman, the Head of Product at Axiom. Dominic’s career focus is on data, how to store and how to operationalize all the data that different technology stacks create. We talk with Dominic about how the data does not lie,... Read more »HW050: A New Free Tool for Visualizing the Wi-Fi Spectrum
If you’ve been looking for an interactive chart to visualize the Wi-Fi spectrum, look no further than guest Joel Crane’s spectrum viewer. With the spectrum visualizer, you can pan across the spectrum, zoom in and out, and select specific regulatory domains. Joel shares his inspiration for the project and how he accomplished it with a... Read more »PP058: Network Discovery with NMAP: You’ve Got Swaptions
We’re diving into NMAP on today’s show with guest Chris Greer. Chris, an expert in network analysis and forensics, explains what NMAP is, the difference types of scans, how device fingerprinting works, and more. We also coin the term “swaptions” as we have some fun with NMAP terminology. He also gives details on how to... Read more »Tech Bytes: Get Data Center Automation as-a-Service with Nokia Event-Driven Automation (Sponsored)
Nokia Event-Driven Automation (EDA) is a modern infrastructure automation platform that combines speed with reliability and simplicity. It makes data center network automation more trustable and easier to use, from small edge clouds to the largest AI fabrics. Today on Tech Bytes, we talk with Sam Arora from Nokia for more details about some of... Read more »NB522: Git Turns 20, An iPhone Airlift, Cybersec Silence Speaks Volumes
Take a Network Break! Guest co-host Ned Bellavance steps in for Johna this week. We start with a Fortinet vulnerability, and then opine on a memo from Shopify’s CEO on the company requiring and measuring AI use by employees. Git celebrates 20 years, DARPA names 15 companies to participate in a Quantum Benchmarking Initiative to... Read more »HN776: Security Platforms: Balancing Efficacy, Ops, and Emerging Threats (Sponsored)
Network security has evolved from stateful perimeter firewalls with maybe some IDS/IPS to a complex stack delivered as numerous unique tools, which often don’t talk to one another and may need to be operated by specialists. In this environment it’s hard to unify a security policy, troubleshoot problems, manage and operate tools, and respond effectively... Read more »TNO024: Networks for AI and AI for Networks — A Dual Perspective with Aviz Networks (Sponsored)
On today’s show, we introduce Aviz Networks with Vishal Shukla, Co-Founder & CEO. Vishal and Aviz are making Networks for AI, and AI for Networks. Vishal explains how Aviz does this by offering AI Networking Unpacked. Designed for open-source and vendor-agnostic networking, AI Networking Unpacked works with existing network infrastructures. It also integrates with existing... Read more »TL011: Getting the Entire Team to Speak
On today’s episode we’re joined by Daniel Ward to get a sneak preview of his talk on Getting the Entire Team to Speak, which he’ll give at DevOpsDay Austin. His addresses the challenges of getting people to speak up. Why is this needed? Getting input from everyone on a team lets people raise issues and... Read more »N4N021: Is It the Network? Network Monitoring Basics
How do you know what is happening within your network, especially when something isn’t working? Network monitoring is the answer. On today’s show, we’ll start with the basics of network monitoring. We’ll cover what it is, how it’s used, and suggest some paid and open source network monitoring tools. This week’s bonus material is a... Read more »NAN089: A Career Journey of Exponential Learning
“If you don’t feel nervous in front of a challenge, you are not exponentially learning” is how today’s guest Christian Adell describes his own approach to career growth. Christian chats with us first about how he got started in IT, his various experiences in both networking and DevOps and then network automation. He leads a... Read more »PP057: Behind the Scenes At Cisco: PSIRT, AI, CVEs, and VEX
Cisco Systems has a sprawling portfolio of home-grown and acquired products. What’s it like trying to find and address bugs and vulnerabilities across this portfolio? Omar Santos, a Distinguished Engineer at Cisco, gives us an inside look. We dig into how Cisco identifies security bugs using internal and external sources, the growing role of AI... Read more »HS100: Lead Without Lying: The (Radical) Strategy of Honesty
Is it actually possible to run a team without lying? Steven Gaffney, author of the book, “Just Be Honest”, joins Johna and John to talk about why being honest is harder than it sounds–and how (and why) to do it anyway. Steven spends his career advising science and technology leaders about how to be more... Read more »