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N Is For Networking: Daily Summaries Delivered
by Packet Pushers
N Is For Networking deconstructs the concepts, jargon and acronyms of the data networking industry. Join grumpy old network engineer Ethan Banks with networking newcomer Holly Metlitzky for these episodes that will help you place context around networking terminology.
Latest Episodes
The most recent episodes — sign up to get AI-powered summaries of each one.
- 4 days ago1h 10m
N4N064: A Gentle Introduction to Border Gateway Protocol (BGP)
Border Gateway Protocol (BGP), the routing protocol of the global internet, is finding uses in all sorts of places in 2026 beyond internet routing. It’s a huge topic. Large books have been written about BGP and its related technologies, so Ethan and Holly are here with a gentle introduction to BGP. They break down what... Read more »
- 2 weeks ago51 min
N4N063: Link Layer Discovery Protocol
Ethan and Holly tackle the Link Layer Discovery Protocol (LLDP). They explain how this protocol helps network engineers map network topologies and validate wiring. They also discuss how LLDP devices use frames to send information, mandatory and optional type length values (TLVs), and why security on edge ports remains critical. Episode Links: Watch this episode... Read more »
- Aug 20, 202656 min
N4N062: Your First Wi-FI Network, Part 3
In the third installment of the Wi-Fi networks series, Ethan Banks and Holly Podbielak discuss the basics of wireless security, the standards related to roaming between access points, and how to analyze access points to figure out which AP brand will best meet your organization’s needs. AdSpot Sponsor: Meter Most IT teams are managing networks... Read more »
- Aug 6, 20261h 2m
N4N061: Your First Wi-Fi Network Part 2
This week, Ethan and Holly continue their conversation around Wi-Fi. They go deeper into the benefits of Wi-Fi 7, look at what’s coming in Wi-Fi 8, and cover the differences among Multiple Input Multiple Output (MIMO), Orthogonal Frequency-Division Multiple Access (OFDMA), and Multi-Link Operation (MLO). AdSpot Sponsor: Megaport If you’re supporting cloud projects, managing growing... Read more »
- Jul 23, 20261h 2m
N4N060: Your First Wi-Fi Network Part 1
Have you ever wondered how data actually travels through a Wi-Fi network? Holly and Ethan break down the fundamentals of wireless networking, including radio frequencies and channel planning. They also address the complexities of roaming, how the Wi-Fi space has changed over the years, and share advice on how to design and maintain a home... Read more »
- Jun 25, 202657 min
N4N059: Twisted Pair Cabling
Copper twisted pair cabling serves as a fundamental component of Ethernet infrastructure and Ethan and Holly are here to break down how it works. They discuss the technical differences between cabling categories, how wire twisting cancels out electromagnetic interference, and share practical guidance on installation standards and testing methodologies. Episode Links: Watch this episode on... Read more »
- Jun 18, 202650 min
N4N058: Future-Proofing Your Career for the AI Era (Sponsored)
In this sponsored episode by Cisco we explore how agentic AI is transforming network operations and what it means for your career. Robert Barton, an AI Distinguished Engineer at Cisco Systems, joins Ethan and Holly to help us snap the artificial intelligence puzzle piece into your networking picture. Together they break down the AI trifecta:... Read more »
- Jun 11, 20261h 22m
N4N057: The Art of Troubleshooting
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 »
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About N Is For Networking
N Is For Networking deconstructs the concepts, jargon and acronyms of the data networking industry. Join grumpy old network engineer Ethan Banks with networking newcomer Holly Metlitzky for these episodes that will help you place context around networking terminology.
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