D2DO304: Observability in the Age of AI

Your network is an interconnected system. A change you make on one device has consequences beyond that device. Therefore, to do your job well, you must think about the network as a whole. That’s the big idea behind a blog post written by guest Jason Gintert. He joins Ethan and Drew to talk about how... Read more »

You can learn a lot about IPv6 from books, videos, and podcasts (such as this one), but it’s hard to beat hands-on experience. John Osmon joins our hosts to discuss how to set up your own IPv6 environment. They cover what John has done, including low-cost home lab options, how it’s impacted his thinking, and... Read more »

As a network engineer, you’ll end up with a lot of weird problems to solve. Many times, the problems will not be with the network at all, and it’ll be up to you to figure it all out. But how? Ethan and Holly discuss techniques for effective troubleshooting. Those techniques include how to gather accurate... Read more »

As AI matures, it becomes increasingly important to know how it’s performing and what it actually costs. Ned and Kyler are joined by Anuj Tyagi, Senior Site Reliability Engineer for RingCentral, to discuss the critical shift toward AI observability. AI observability is not just about costs; Anuj breaks down why observability has to include agent... Read more »

The Verizon Data Breach Investigations Report (DBIR) is a postmortem of a year’s worth of cyber incidents and breaches, and a snapshot of how well organizations are responding to actual threats. Drew and JJ share highlights from the 2026 installment, including: For the first time, vulnerability exploits top the list for initial access What a... Read more »

The upper 6 gigahertz band is fracturing among national lines after a verdict from regulatory bodies in the UK and the EU. While the US enjoys full Wi-Fi access along the entire 1200 megahertz, the EU has decided to reserve most of the upper band for mobile services, and the UK is testing a split... Read more »

Take a Network Break! Our Red Alert covers a critical Android vulnerability that could lead to local privilege escalation to root. On the news front, we dig into Cloud Control, Cisco’s ambitious AI ops platform that spans its networking, security, compute, observability, and collaboration portfolios. We also talk about Cisco Live Protect, which provides pre-patch... Read more »

If you think Tailscale is just a VPN for the home lab, think again. On today’s sponsored episode Ethan and Drew are joined by Tailscale CEO Avery Pennarun. Avery explains how the company has evolved into an enterprise-grade connectivity and security platform. He also dives into Tailscale Aperture, their new AI gateway designed to bring... Read more »

Scott is joined by Brett Lykins, a Senior Systems Development Engineer at Amazon. Brett works with software-defined infrastructure built around SONiC (Software for Open Networking in the Cloud). Together they dig into what it’s actually like to use, maintain, and operate a network this way. They also discuss not just the architecture, but the day-to-day... Read more »

Today’s guest takes us behind the scenes of modern concert venues, which rely on wired and wireless IP networking. Michael Keith Lewis is a front-of-house engineer, tour manager, audio creator, and co-founder of Truck Packer. Michael shares his career path from starting in a church, quitting a salaried job to tour with his favorite band,... Read more »