1
N4N008: What Is a Default Gateway? 34:15

1h ago34:15

34:15

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, s…

1
HW043: Is OFDMA Worth It? 29:26

3h ago29:26

29:26

OFDMA, or Orthogonal Frequency-Division Multiple Access, was introduced in 802.11ax. This technology allows a radio to split a single channel into multiple sub-carriers, which in turn can be used to send data to multiple devices at the same time. OFDMA is meant to reduce congestion by allowing APs to allocate resource units among, and communicate..…

1
D2DO262: The Science and Magic of Network Mapping and Measurement 38:40

3h ago38:40

38:40

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, the…

1
Professor Messer's CompTIA 220-1101 A+ Study Group After Show - January 2025 1:02:57

21h ago1:02:57

1:02:57

Your questions and more!By Professor Messer

1
Professor Messer's CompTIA 220-1101 A+ Study Group After Show - January 2025 1:02:57

21h ago1:02:57

1:02:57

Your questions and more!By Professor Messer

1
Professor Messer's CompTIA 220-1101 A+ Study Group - January 2025 1:16:32

22h ago1:16:32

1:16:32

Join me for CompTIA 220-1101 A+ Q&A, your questions, and more!By Professor Messer

1
Professor Messer's CompTIA 220-1101 A+ Study Group - January 2025 1:16:32

23h ago1:16:32

1:16:32

Join me for CompTIA 220-1101 A+ Q&A, your questions, and more!By Professor Messer

1
HN762: A Network Automation Roadmap 57:43

19d ago57:43

57:43

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 a…

1
IPB166: Reflections and Projections for IPv6 in 2024 and 2025 15:22

20d ago15:22

15:22

In this end of-the-year episode of IPv6 Buzz, we review the significant developments in IPv6 throughout 2024 and share projections for 2025. We discuss the introduction of a new documentation prefix, analyze IPv6 usage statistics, and review No NAT November. For 2025, we explore the possibilities of updates to RFC 6724 and global adoption of... Rea…

1
NAN081: We’re Going To Talk Python To You 1:05:52

20d ago1:05:52

1:05:52

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 »…

1
D2DO261: Year in Review: Peak Serverless, K8s Complexity, DevOps Sprawl (and What’s Next) 41:48

21d ago41:48

41:48

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 »…

1
HS091: The Game Has Changed: Security Strategy After Salt Typhoon and the Pager-Bomb Hack 31:13

22d ago31:13

31:13

Recent events have driven home a simple fact: neither your devices nor your network services can be trusted totally, and they could all be turned against you, possibly fatally. Join us as we discuss the harsh realities of the evolving cybersecurity space, and how enterprise leaders in and out of IT need to change their... Read more »…

1
PP044: Optimizing Security and Performance with ADEM and App Acceleration (Sponsored) 41:31

22d ago41:31

41:31

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 …

1
Roger Dannenberg - Episode 61 36:27

22d ago36:27

36:27

In this episode of ACM ByteCast, Bruke Kifle hosts ACM Fellow Roger Dannenberg, a Professor Emeritus of Computer Science, Art & Music at Carnegie Mellon University. Dannenberg is internationally renowned for his research in computer music, particularly in the areas of programming language design, real-time interactive systems, and AI music. Through…

1
NB508: Google Serves Up Custom AI and Quantum Chips; Nokia Puts Muscle Behind SONiC 24:09

23d ago24:09

24:09

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 »…

1
NB508: Google Serves Up Custom AI and Quantum Chips; Nokia Puts Muscle Behind SONiC 24:09

23d ago24:09

24:09

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 »…

1
N4N007: Performance vs. Cost 25:46

26d ago25:46

25:46

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 creativ…

1
TNO011: Behind the NetOps Curtain at Cisco Live! 49:18

26d ago49:18

49:18

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 Gues…

1
HN761: Who Are You Building Automation For? An AutoCon2 Roundtable 1:02:27

26d ago1:02:27

1:02:27

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” t…

1
Professor Messer's Security+ Study Group After Show - December 2024 1:00:50

27d ago1:00:50

1:00:50

It's open Q&A on the Security+ After Show!By Professor Messer

1
Professor Messer's Security+ Study Group - December 2024 1:20:30

27d ago1:20:30

1:20:30

Join me for Security+ Q&A!By Professor Messer

1
TL009: Shifting to a Growth Mindset for Organizational Success 36:56

27d ago36:56

36:56

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 psychologic…

1
N4N006: Packet Analysis Basics 34:12

27d ago34:12

34:12

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 Wire…

1
D2DO260: Cloudy With a Chance of Meatballs: Humor and Threat Detection 34:32

28d ago34:32

34:32

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 mor…

1
Professor Messer's N10-009 Network+ Study Group After Show - December 2024 1:05:37

29d ago1:05:37

1:05:37

We take your questions about certifications, technology, and anything else!By Professor Messer

1
Professor Messer's N10-009 Network+ Study Group - December 2024 1:14:07

29d ago1:14:07

1:14:07

It's my monthly Study Group, with live Network+ Q&A!By Professor Messer

1
PP043: The Perils and Perks of the CISO Track 39:49

29d ago39:49

39:49

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 technic…

1
HW042: The Past, Present, and Future of MetaGeek 26:32

29d ago26:32

26:32

In this episode of the Heavy Wireless podcast, host Keith Parsons interviews Brian Tuttle, co-founder of MetaGeek. Brian recounts the company’s origins, starting with the development of the WiSpy spectrum analyzer, and highlights key products like inSSIDer and Chanalyzer. The discussion covers MetaGeek’s mission to visualize wireless landscapes, th…

1
Tech Bytes: Protecting OT/IoT Devices With FortiLink NAC (Sponsored) 18:49

1M ago18:49

18:49

Today on the Tech Bytes podcast, sponsored by Fortinet, we talk about IoT and OT risks and how to mitigate them. One option from Fortinet is FortiLink NAC, a free feature that can help you segment and protect IoT and OT devices and can even help deploy virtual patches. Another option is FortiNAC, a full-bore... Read more »…

1
NB507: Arista Announces Stackable Switches; FBI Recommends Encrypted Messaging 42:04

1M ago42:04

42:04

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 …

1
NB507: Arista Announces Stackable Switches; FBI Recommends Encrypted Messaging 42:04

1M ago42:04

42:04

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 …

1
Professor Messer's CompTIA 220-1102 A+ Study Group After Show - December 2024 1:09:18

1M ago1:09:18

1:09:18

Your questions and more!By Professor Messer

1
Professor Messer's CompTIA 220-1102 A+ Study Group After Show - December 2024 1:09:18

1M ago1:09:18

1:09:18

Your questions and more!By Professor Messer

1
Professor Messer's CompTIA 220-1102 A+ Study Group - December 2024 1:10:22

1M ago1:10:22

1:10:22

Join me for CompTIA 220-1102 A+ Q&A, your questions, and more!By Professor Messer

1
Professor Messer's CompTIA 220-1102 A+ Study Group - December 2024 1:10:22

1M ago1:10:22

1:10:22

Join me for CompTIA 220-1102 A+ Q&A, your questions, and more!By Professor Messer

1
TNO010: Navigating Network Automation Complexities: Insights from AutoCon 2 (Sponsored) 48:38

1M ago48:38

48:38

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 w…

1
HN760: Mitigate IoT/OT Vulnerabilities with Guided Virtual Patching (Sponsored) 42:55

1M ago42:55

42:55

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...…

1
IPB165: IPv6 Basics – Address Planning 35:13

1M ago35:13

35:13

Continuing the IPv6 Basics series, today’s podcast addresses IPv6 address planning. Special “guest” Tom Coffeen who literally wrote the book, IPv6 Address Planning, helps answer questions and gives advice on how to effectively plan IPv6 addresses. We discuss topics such as the importance of long-term planning and understanding prefix sizes, common …

1
N4N005: The Sort-of-Useful OSI Model 31:59

1M ago31:59

31:59

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 OS…

1
NAN080: Elevating Your Network Automation Skills and the DevNet Expert Track 39:12

1M ago39:12

39:12

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 fail…

1
D2DO259: See Deep Inside Public Cloud for Greater Visibility and Troubleshooting with ThousandEyes Cloud Insights (Sponsored) 33:14

1M ago33:14

33:14

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 »…

1
PP042: CISO Liability Insurance, A Seriously Dangerous Menu Hack, and more Security News 26:45

1M ago26:45

26:45

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 …

1
HS090: AI Regulations: What You Don’t Know CAN Hurt You! 36:05

1M ago36:05

36:05

This has been a big year for AI regulation, from the EU AI Act to the much hyped California SB1047, currently in limbo. With things bubbling along across the country, and at the federal level, and internationally, there’s a lot going on and IT folks should be keeping current and planning to meet a changing... Read more »…

1
NB506: Billions Flow for US Chips; FCC Lets T-Mobile, SpaceX Make Phone Calls from Orbit 24:31

1M ago24:31

24:31

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 »…

1
NB506: Billions Flow for US Chips; FCC Lets T-Mobile, SpaceX Make Phone Calls from Orbit 24:31

1M ago24:31

24:31

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 »…

1
Professor Messer's CompTIA 220-1101 A+ Study Group After Show - December 2024 1:00:15

1M ago1:00:15

1:00:15

Your questions and more!By Professor Messer

1
Professor Messer's CompTIA 220-1101 A+ Study Group After Show - December 2024 1:00:15

1M ago1:00:15

1:00:15

Your questions and more!By Professor Messer

1
Professor Messer's CompTIA 220-1101 A+ Study Group - December 2024 1:13:59

1M ago1:13:59

1:13:59

Join me for CompTIA 220-1101 A+ Q&A, your questions, and more!By Professor Messer

1
Professor Messer's CompTIA 220-1101 A+ Study Group - December 2024 1:13:59

1M ago1:13:59

1:13:59

Join me for CompTIA 220-1101 A+ Q&A, your questions, and more!By Professor Messer

1
D2DO258: How System Initiative Rethinks Infrastructure as Code 45:05

1M ago45:05

45:05

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 »…

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