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N4N005: The Sort-of-Useful OSI Model
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 »NAN080: Elevating Your Network Automation Skills and the DevNet Expert Track
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 »PP042: CISO Liability Insurance, A Seriously Dangerous Menu Hack, and more Security News
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 »HS090: AI Regulations: What You Don’t Know CAN Hurt You!
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 »
HW041: Dealing with Client and AP Power Mismatch
Today on Heavy Wireless we dive into how to address power mismatches that can arise between wireless clients and APs. We talk about how to measure output from antennas and APs, regulations that affect your deployment, why cranking up the output on an AP doesn’t necessarily result in better coverage, and more. Guest Connor Burke... Read more »PP041: Cyber Insurance from a Policyholder Perspective
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 »TNO009: From Network Monitoring to Observability: Make the Leap for Better NetOps
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 »TL008: How to Hire Top Performers
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 »N4N004: Essential Topics in Networking: Ethernet, NAT, and 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 »NAN079: From Network Monitoring to Observability: Make the Leap for Better NetOps
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 »HS089: Return to the Office: What’s Next?
Some high-profile companies like Amazon are mandating all employees return to the office, full time. Justifications, when given, mostly revolve around productivity and innovation. We say, whoa there! The data don’t back up the idea that hybrid and remote work hurt productivity (kind of the opposite) or innovation, and the real justifications likely lie elsewhere.... Read more »