By popular request (and now that we have some other background topics covered) we start our series on the Open Shortest Path First (OSPF) routing protocol. We kick off the series with OSPF basics including Link State Advertisements, Link State Database, and other related essentials. We’ll explore additional OSPF topics over subsequent episodes. This week’s... Read more »
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56:47
N4N031: When Is It Time For a Routing Protocol?
If you need to route in your network, you can program static routes into all your routing-capable devices. And this can work. But at some point, you’re probably going to want to switch to a dynamic routing protocol. On today’s N Is For Networking, Ethan and Holly discuss the differences between static and dynamic routes,... Read more »
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54:39
N4N030: Network Shapes and Sizes
What shape is your network? In other words, what is its topology? On today’s episode, we discover the different types of network topologies and designs used in the enterprise, data center, and service provider networks. We cover leaf/spine, hub and spoke, point to point, mesh, and others. We also talk about how topologies affect traffic... Read more »
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1:03:06
N4N029: Four Goals of Network Design
Let’s explore four goals of network design: stability, speed, scalability, and security. These goals are based on Ethan’s experience designing, building, and operating networks. Network architects and design experts might have other objectives, and that’s fine, but these four goals are the basis of today’s episode. Ethan and Holly discuss why these four goals are... Read more »
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1:04:17
N4N027: Tunneling Quirks & Features
On today’s show, we’re going to dig deeper into tunnels and explore some of the quirks and features of tunnels. This week we’ll discuss maximum transmission units (MTUs), maximum segment size, IP fragmentation and more. Today’s bonus material is more RFCs – RFC 4821 and RFC 8899. Episode Links: What Is a Tunnel? – N... Read more »
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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