Episodios

  • N4N046: In-Band vs. Out-of-Band Management

    N4N046: In-Band vs. Out-of-Band Management
    Jan 8 2026
    Ethan and Holly discuss the major differences between In-band and Out-of-band (OOB) management and the pros and cons of both. They explore how to implement a proper OOB network and critical use cases where OOB is required. They also explain the differences and roles of the data plane, the control plane, and the management plane.... Read more »
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    1 h y 4 m
  • N4N045: Audience Follow Up & 2026 Preview

    N4N045: Audience Follow Up & 2026 Preview
    Dec 18 2025
    If you’re curious as to what Ethan and Holly have in store for 2026, they give you a sneak peak on today’s episode. Hint: Some of these topics might include letters like B, G, P, Q, o, S, A and I. They also take time in this episode to answer listener questions, ranging from how... Read more »
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    59 m
  • N4N044: Redundancy Vs. High Availability Part 2 – HA Networking Isn’t Free

    N4N044: Redundancy Vs. High Availability Part 2 – HA Networking Isn’t Free
    Dec 4 2025
    In Part 1 of Redundancy vs. High Availability, we said that sometimes high availability and redundancy are considered to be the same thing, but we disagree. Holly and Ethan do agree that high availability can be considered a network design goal, and that redundancy is just one technique that can be used to help make... Read more »
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    56 m
  • N4N043: Redundancy vs. High Availability Part 1

    N4N043: Redundancy vs. High Availability Part 1
    Nov 20 2025
    In today’s chat, Holly and Ethan consider a question from listener Douglas who asks, “How do you approach designing a network for high availability and redundancy?” They start by defining differences between redundancy and high availability, and talk about Holly’s experience with her own customers. Then they share examples of how to achieve redundancy in... Read more »
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    1 h
  • N4N042: Meet MACsec

    N4N042: Meet MACsec
    Nov 6 2025
    MACsec is a protocol for encrypting Ethernet frames on a local (though not always local) network. Ethan Banks and Holly Metlitzky have an ELI5 (explain like I’m 5) discussion as to what exactly is MACsec and how it differs from IPsec. They talk about when and whether you need to implement MACsec with all the... Read more »
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    52 m
  • N4N041: Switched Virtual Interface (SVI) and Integrated Routing and Bridging (IRB)

    N4N041: Switched Virtual Interface (SVI) and Integrated Routing and Bridging (IRB)
    Oct 23 2025
    If you’ve ever wondered what the difference is between a Switched Virtual Interface (SVI) and Integrated Routing and Bridging (IRB), today’s show is for you! Ethan Banks and Holly Metlitzky start with some history and the basics of communication between layer 2 and layer 3 and then explain how the concepts of SVI and IRB... Read more »
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    50 m
  • N4N040: Mock Interview for a Network Administration Job

    N4N040: Mock Interview for a Network Administration Job
    Oct 9 2025
    The job interview is an inescapable part of a career journey. Today on N Is For Networking, we conduct a mock interview with a candidate who’s applying for a junior network administration role. The goal is to give Toni Mrowetz, our candidate, feedback. At the same time, we hope this helps anyone listening who might... Read more »
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    1 h y 3 m
  • N4N039: Configuring an IPsec Tunnel

    N4N039: Configuring an IPsec Tunnel
    Sep 25 2025
    We dive back into the world of IPsec with an episode dedicated to configuring IPsec tunnels. After discussing a listener comment regarding transport mode in IPsec tunnels, Ethan Banks and Holly Metlitzky work through topics such as multi-vendor IPsec configuration, licensing, and the details of configuration and routing. Bonus material: MTU size and NAT-T. Episode... Read more »
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    1 h y 1 m
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