The Fat Pipe - Most Popular Packet Pushers Pods

Can we map DevOps principles and practices to network operations? Should we? On today’s show, we talk with Williams Collins and Eyvonne Sharp to understand DevOps both culturally and practically. We also discuss the challenges of applying DevOps to network operations. We look at lightweight options such as starting small, having a centralized source of... Read more »

It’s history day on N Is For Networking! We learn about the development of IPv6 directly from Bob Hinden, one of the pioneers who made it happen. Bob discusses his journey from early work on ARPANET to his significant contributions to IPv6. We also cover the transition from IPv4, the challenges faced during IPv6’s creation,... Read more »

Today’s Network Automation Nerds episode discusses Cox Communications’ journey to getting network automation right. We also talk about how they used network automation to support operating the network at the DEF CON hacker convention. Our guests are David Ezell, Joshua Watkins and Eric Hansen from Cox Communications. We dive into initial steps and challenges in... Read more »

It’s tempting to run IT organizations the same way we run infrastructure: as resource units to be applied to various jobs. But people aren’t infrastructure. They have opinions. They form teams. They operate on different incentives, which sometimes clash within an organization (i.e. sales vs. product managers, or infosec vs. everybody). Today’s guest, Lianne Potter,... Read more »

You asked for more IPv6 and we listened. In today’s episode, we talk with Ed Horley, co-host of the IPv6 Buzz podcast about IPv6 security, migration, and adoption. We talk about how your general security strategy doesn’t change with v4 or v6, but the trouble starts with a lack of v6 knowledge. We talk about... Read more »

Take a Network Break! Guest co-host John Burke joins Drew Conry-Murray for this week’s analysis of tech news. They discuss a string of serious vulnerabilities in Wavlink Wi-Fi routers, Fortinet taking a one-two security punch, and CISA director Jen Easterly calling out US hardware and software companies for being “inherently insecure.” Microsoft and Google put... Read more »

Do you think you have what it takes to be a manager? Should you go for it? Laura Santamaria, host of the Technically Leadership podcast, joins Ethan Banks to discuss those questions. They talk about the motivations for moving into a management role, the challenges of managing people, and the need to understand the business... Read more »

On today’s episode, we’re explaining high-speed Ethernet lanes at the request of listener Matthew. We cover lanes, channels, and their physical representation in networking – think actual cables. We explain both 40Gb and 100Gb technologies and compare them to Link Aggregation Control Protocol (LACP). We also have a discussion on standards and practical implications for... Read more »

How do you master Python? One bite at a time. On today’s show we talk with Bob Belderbos, co-founder of PyBites, a community and learning platform for Python. Bob shares his philosophy for learning Python in small bites with practical exercises, hands-on learning, and daily coding for improvement. We discuss the importance of small wins,... Read more »

Transport Layer Security (TLS) relies on certificates to authenticate Web sites and enable encryption. On today’s Packet Protector we look at mechanisms that domain owners can take to ensure the validity of their digital certificates. More specifically, we cover Certification Authority Authorization (CAA) and Certificate Transparency (CT). Our guest is Ed Harmoush. Ed is a... Read more »

Take a Network Break! We start with serious CVEs for Perl and Ivanti. On the news front, the FCC wants to license spectrum to raise money to help US telcos rip out Chinese network equipment–even though there’s no evidence Chinese equipment led to telco intrusions by Chinese attackers. Verizon boasts of 5.5Gbps download speeds on... Read more »

Packet capture and packet analysis is incredibly useful for problem-solving and troubleshooting. Analyzing packets is also a difficult skill to master. With the incredible array of network troubleshooting tools at our disposal, including emerging networking models for artificial intelligence, do we still need to fuss around with Wireshark in 2025? Our guest Chris Greer says... Read more »

Cloud networking is still networking, but there are differences. In this special collaboration episode between the Total Network Operations and Cloud Gambit podcasts, Scott Robohn, Eyvonne Sharp, and William Collins dive into the contrasts between traditional and cloud networking, and how network engineers raised on hardware and the CLI can flourish in cloudy environments. In... Read more »

Today’s topic is the default gateway, essential for routing traffic between networks. We explain its purpose, configuration, and the consequences of incorrect settings. Using home networks as an example, Ethan and Holly illustrate how default gateways enable devices to communicate with external networks. The discussion also covers routing tables, subnet masks, and the differences between... Read more »

Measuring network speed seems straightforward: send some traffic between two endpoints and see how long it took. But what path did the traffic take? Were wired or wireless networks involved? What intermediary devices stood between your two endpoints? Was there interference? Congestion? Are device limitations affecting your results? The fact is, there’s more to measurement... Read more »

Once you get past a handful of Python scripts, network automation can be…daunting. If you want to make network automation process-driven, repeatable, reliable, and something that doesn’t just rely on your scripts and the knowledge inside your head, there’s an entire landscape that opens up before you. Have you thought about network discovery? How about... Read more »

On today’s episode, we’re going to talk Python. Host Eric Chou is joined by Michael Kennedy, the founder of Talk Python Training and host of the Talk Python To Me podcast. The discussion covers the evolution of Michael’s podcast and training business, the impact of platforms like TikTok on learning, and the importance of community... Read more »

Join us today for a look back at this year’s developments in cloud security and DevOps. We ask if serverless computing has peaked, why Kubernetes continues to be so hard, whether cloud repatriation is a real trend, and whether the DevOps role has become too darn big. We also explore the future of cloud computing,... Read more »

Autonomous Digital Experience Management, or ADEM, measures network and application performance from the user perspective and gives network and IT teams visibility into the entire data path—including the home user network, first mile and last mile, and the WAN. On today’s Packet Protector, we learn how ADEM can complement your network and security efforts with... Read more »

Take a Network Break! This is our final show for 2024. We start with critical vulnerabilities in Ivanti and OpenWrt, and then discuss what effect a proposed bill from US Senator Ron Wyden would have on telecom security (short answer: more paperwork but unlikely to improve protection). Extreme Networks announces a new AI platform that... Read more »

When building your network and buying equipment, is performance or cost more important? On today’s episode, we discuss the balance between performance and cost in selecting networking equipment. We also cover other considerations, including why you should understand client and network needs, the fluid nature of pricing, and the necessity of creative problem-solving. Bonus material: ... Read more »

Ever wonder how large conferences such as Cisco Live! manage their on-site network operations? Today’s podcast guest, Jason Davis joins host Scott Robohn to discuss history of network operations at Cisco Live!, and the intricacies, challenges, and strategies involved in setting up and managing network operations for such a large event. Episode Guest: Jason Davis, ... Read more »

Today’s Heavy Networking comes to you from the AutoCon2 tech event being held in Westminster, Colorado. This episode was recorded in conference room on site at AutoCon2 in November, 2024. The format? Roundtable. Four network automators have raised their hand and brought topics they want to discuss. Those topics include: Crafting tools to “listen” to... Read more »

A growth mindset not only advances you, but can help to advance those around you. Today we delve into the concept of a growth mindset with guest Sasha Czarkowski. We contrast the growth mindset with a fixed mindset, highlighting the latter’s detrimental effects on creativity and learning. The discussion also highlights the importance of psychological... Read more »

Packet analysis can be your friend for troubleshooting network problems. In this episode, hosts Ethan Banks and Holly Metlitzky explore packet analysis, They discuss tools such as Wireshark and Tcpdump, explain their functionalities, and talk about the importance of filtering data for effective analysis. Listeners are encouraged to engage with Wireshark and other tools themselves.... Read more »

Humor is the best medicine, so they say. In critical IT security jobs, a little humor could help you prevent burnout and maintain your mental equilibrium. Lydia Graslie, a Cloud Threat Detection Engineer at Edward Jones, shares her insights on the complexities of cloud security and the challenges posed by modern cloud platforms, as well... Read more »

A Chief Information Security Officer (CISO) helps to architect and drive an organization’s security strategy. The role requires technical chops and business acumen. You also need strong communication skills to help executives understand risk and response, choose the right metrics to measure infosec effectiveness, and provide guidance to the technical teams actually running security operations.... Read more »

Take a Network Break! This week we warn of significant vulnerabilities in WhatsUp Gold and Cisco NX-OS. We also discuss US federal reaction to the penetration of US telco networks by Chinese state actors. These reactions include network and visibility hardening guidelines from CISA, the FBI (reluctantly) recommending the use of encrypted messaging apps, and... Read more »

On today’s show, we recap some highlights of AutoCon2 with guest Jeremy Rossbach from sponsor Broadcom. Jeremy gives some background on his career, and then elaborates on conversations he had at AutoCon2. He also shares observations on the present and future of network automation, which include AI and robust observability solutions that integrate with the... Read more »

Today on Heavy Networking, sponsored by Palo Alto Networks, we explore how virtual patching can be used to protect IoT and OT devices. Virtual patching leverages intrusion detection and intrusion prevention, combined with threat research, to block exploits targeting IoT and OT devices. Why would you use virtual patching? When it comes to IoT and... Read more »

Network engineers should be familiar with the Open Systems Interconnection (OSI) model, a framework for understanding network communications. On today’s show, Ethan and Holly delve into each of the model’s seven layers to discuss their functions, associated protocols, and practical implications for modern networking. They also talk about how the OSI model is, in fact,... Read more »

Ongoing education and training is a constant in a networking career, especially if you want to advance. And certifications are a common path forward. On today’s episode, guest Andreas Baekdahl shares his journey from traditional networking to automation architect and certification instructor. Along the way, he’s had his share of challenges and failures, and he... Read more »

Public cloud networks can be a bit of a black box when it comes to monitoring and troubleshooting. Today on Day Two DevOps we talk with sponsor Cisco ThousandEyes about its Cloud Insights tool, which aims to open that box so you can see exactly what’s going on in your cloud networks, identify problems, help... Read more »

Our monthly news roundup discusses liability insurance for CISOs (if you are one, you should get it), serious intrusions of US telecom companies by Chinese state actors (according to the FBI), and a novel attack that leapt across multiple Wi-Fi networks. We also discuss significant vulnerabilities affecting Palo Alto Networks’ Expedition migration product, how fake... Read more »

Take a Network Break! We’ve got a full menu for our post-Thanksgiving episode. We start with a host of critical CVEs affecting Veritas and a couple more for QNAP. Cisco announces EOL for two version of its ACI software, Verizon runs field trials for 1.6Tbps throughput in a single wavelength (with Ciena optical transceivers), and... Read more »

System Initiative is a new product that aims to improve on Infrastructure as Code (IaC). On today’s episode we talk with System Initiative creator Adam Jacob to find out why he wanted to improve on IaC, how System Initiative works, how it compares to other platforms in the market, how it handles key features such... Read more »

Cyber insurance provides compensation if a company suffers financial loss due to a security incident such as a ransonware payment, costs of data recovery, legal expenses or fines, or damage to a company’s reputation. Today on the Packet Protector podcast, we discuss the ins and outs of cyber insurance with a policy holder. Joe Stern... Read more »

Take a Network Break! We start with a brief follow-up on our CVE coverage, and then dive into a serious one-two set of vulnerabilities being exploited in Palo Alto Networks software, VMware taking a second crack at patching a vCenter vulnerability, and notable CVEs in D-Link and HPC gear. An AI company loses a quarter... Read more »

The BGP Monitoring Protocol, or BMP, is an IETF standard. With BMP you can send BGP prefixes and updates from a router to a collector before any policy filters are applied. Once collected, you can analyze this routing data without any impact on the router itself. On today’s Heavy Networking, we talk with Bart Dorlandt,... Read more »

Hiring is never an easy process. On today’s show, guest Brian Hogan and host Laura Santamaria explore the intricacies of hiring top performers in the tech industry. Brian talks about how to set up a fair and structured interview process, including the use of rubrics to evaluate candidates consistently. He discusses the challenges of assessing... Read more »

What are the most essential topics to understand for a new networkers? Ethan Banks and Holly Metlitzky address a listener’s question about foundational topics, covering what a network is, the differences between packet-switched and circuit-switched networks, and the nature of the internet as a “network of networks.” They discuss the importance of Internet Protocol (IP),... Read more »

Traditional network monitoring was built around SNMP and logs. And while there’s still a role for these sources, network observability aims to incorporate more data to help you build a holistic picture of the network and its behavior and performance. These sources can include flows, streaming telemetry, APIs, NETCONF, the CLI, deep packet inspection, synthetic... Read more »

Surveillance is a fact of life with modern technology, be it corporate data harvesting or government snooping. If you’re thinking about personal privacy, today’s episode covers common tools for communication and Web browsing. We dig into the end-to-end encryption capabilities of the messaging tools Signal and WhatsApp, look at the capabilities and limits of the... Read more »

Take a Network Break! This week we get an update on SonicWall’s new firewall warranty. We also cover Cisco’s Wi-Fi 7 launch; in addition to new APs, Cisco also updates its branding and rolls out “simplified” licensing that bundles features you might not want. Aviatrix adds a PaaS option for its cloud networking software, but... Read more »

On today’s episode, artificial intelligence with sponsor Selector.AI. If you’re curious and maybe still skeptical about the value AI brings to network operations, listen to this episode. Selector is on the forefront of AIOps for networking, building models that are customized and specifically targeted at networks. What Selector is doing is NOT simply the low-hanging... Read more »

Today we explore Virtual Local Area Networks (VLANs). This topic was prompted by a question from college student Douglas. We’ll explain the fundamental concepts of VLANs, such as their role in segmenting and managing network traffic, and the technical details for implementation. We’ll also address key topics including VLAN tags, access and trunk ports, and... Read more »

With the current cultural emphasis on AI and how that is changing our world, we often forget the human element of individuals and teams when building an effective software development team. On today’s Day Two DevOps, we explore the psychology behind software teams, psychological safety for those teams and how the advent of AI plays... Read more »

Microsoft’s Active Directory and Entra ID are valuable targets for attackers because they store critical identity information. On today’s Packet Protector, we talk with penetration tester and security consultant Eric Kuehn about how he approaches compromising AD/Entra ID, common problems he sees during client engagements, quick wins for administrators and security pros to fortify their... Read more »

Take a Network Break! This week we cover a serious Cisco vulnerability, SonicWall offering a firewall warranty, and a security advisory from ID provider Okta. Apple buys a stake in a satellite telecommunications company, Lumen and Google team up on a joint networking/AI deal, and we check on financial results from Arista Networks, Extreme Networks,... Read more »

On today’s episode, we chat with wireless ISP engineer Elijah Zeida. Elijah had an interesting connectivity challenge to solve for a remote mountain town that relies on a wireless connection for Internet access, and not much budget to solve it with. But he got it done by building his own SD-WAN using Mikrotik boxes and... Read more »