HS108: Keeping the (IT) House Clean to Avoid the Plague
Whether it’s CNAME records pointing to dead endpoints or abandoned cloud storage buckets still mentioned in the makefile or Chef recipe, seemingly innocuous bits of infrastructure that don’t get cleaned up can turn into serious security threats. (Both of these examples are taken from real-life attacks, BTW). When and how and who within IT should... Read more »
NB535: Tomahawk Ultra Chops Congestion; Denmark Invests for Quantum Advantages
Take a Network Break! We begin with a listener question about a paper critiquing Shor’s Algorithm and quantum computing, and touch on a remote code execution vulnerability in Riverbed SteelCentral NetProfiler / NetExpress 10.8.7. We discuss a Cloudflare BGP misconfiguration that caused the Internet to hiccup, Broadcom’s new Tomahawk Ultra ASIC aimed for–you guessed it–AI... Read more »Tech Bytes: How Is SD-WAN Driving SASE Success (Sponsored)
Today on the Tech Bytes podcast, sponsored by Palo Alto Networks, we examine how SASE is being adopted and deployed by enterprise customers. What does this integration of networking and security mean for the teams that need to operate this solution? We talk with Palo Alto Networks about SASE as a transformative technology for networking... Read more »TNO035: Network Engineer and Content Creator – A Career Journey with Kevin Nanns
Kevin Nanns is today’s guest on Total Network Operations. Kevin describes his “Wizard of Oz” moment when he discovered the world of networking. He talks about how he came up through the ranks working a help desk and then in a NOC, and his climb up the certification ladder. We also discuss how AI is... Read more »HN788: Behind Megaport’s Network Automation Platform (Sponsored)
We have a network automation discussion for you today from sponsor Megaport. At the AutoCon3 conference earlier this year, Luke Gollan presented on a complex network automation project migrating Megaport’s API-driven software defined network from a legacy VXC overlay to an EVPN framework. This helped improve scalability, but was fraught with practical challenges, not the... Read more »IPB179: IPv6 DNS Gotchas
Let’s talk about common misconceptions regarding DNS and IPv6. We’ve heard these often enough that we felt we should talk through each one. We cover issues including what kind of DNS record types can be returned via IPv6 (and IPv4, too), more details on what really goes on with Happy Eyeballs, and combining A/AAAA records... Read more »N4N033: OSPF Neighbor Formation and Timers
Our OSPF series continues with a look at OSPF neighbor formation and related timers. We talk about the five major packet types that carry information among OSPF routers, how OSPF routers become neighbors, how they negotiate link-state database exchanges, keep-alive messages, and how they negotiate designated and backup routers when multiple devices are on the... Read more »D2DO277: AI Security Submissions at Curl Dev
Curl is a widely used open source tool and library for transferring data. On today’s Day Two DevOps we talk with curl creator Daniel Stenberg. Daniel gives us a brief history of curl and where it’s used (practically everywhere). We also discuss the impact of AI on curl. Open source projects are often starved for... Read more »HW056: From Emergency Response to Instant Branch: HiveRadar’s Portable Edge
There’s lots of use cases for a portable edge devices that can provide compute and wireless connectivity: emergency response, a remote industrial site, an instant retail location, and so on. Heavy Wireless dives into HiveRadar’s instant edge in a box, which provides Intel NUCs, integrated switching, a wireless gateway, a PDU, support for G5 and... Read more »PP070: News Roundup – Scattered Spider Bites MSPs, Microsoft Rethinks Kernel Access, North Koreans Seem Good at Their Illicit Jobs
There’s lots of juicy stories in our monthly security news roundup. The Scattered Spider hacking group makes effective use of social engineering to target MSPs, Microsoft pushes for better Windows resiliency by rethinking kernel access policies for third-party endpoint security software, and the US Justice Department files indictments against alleged operators of laptop farms that... Read more »NB534: Arista Late to SD-WAN Party but Ready to Dance; CoreWeave Acquires GPUs, Gigawatts for $9 Billion
Take a Network Break! We start with listener follow-up on Arista market share in the enterprise, and then sound the alarm about a remote code execution vulnerability in Adobe Experience Manager. On the news front, Arista buys VeloCloud to charge into the SD-WAN market, CoreWeave acquires a cryptominer to get access to GPUs and electricity... Read more »Tech Bytes: Build a Reliable DC Network With Nokia Validated Designs (Sponsored)
Today on the Tech Bytes podcast we explore NVDs, or Nokia Validated Designs, for enterprise data center networks. NVDs are developed to address a broad set of customer requirements and undergo extensive testing of hardware, software, and traffic. We talk with sponsor Nokia about its validation process, customer benefits, NVD use cases, technical details, and... Read more »NAN095: Certification Deep Dive – The New Cisco Automation Track
Cisco recently announced a major evolution to its certification roadmap: starting February 2026, the popular DevNet certifications will transition to a brand-new Automation track. Joining us today is Francois Caen, Product Manager at Cisco, also an expert in network automation and a recognized voice in the Cisco Learning and Certification Community. We talk with Francois... Read more »PP069: A Quantum Primer: It’s More Than Cracking Crypto
Quantum computing is here, and it’s being used for more than cracking encryption. On today’s Packet Protector we get a primer on quantum, how it differs from classical computing, its applications for difficult computing problems, why quantum will be the death of blockchain, and how to think about quantum risks. Our guest, Johna Johnson, is... Read more »HS107: Your (Late) New Years Resolution: Follow Your (Amended) Strategy
Here we are, a bit more than halfway through the year. How’s your execution against your strategy going? Roiled by the economy? Disrupted by tariffs? Thrown off by staff retirements? If you built a proper technology strategy in the first place, driven by the business strategy, then no matter what is happening don’t ignore it,... Read more »