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N Is For Networking

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...

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N4N017: Routing Fundamentals
On today’s N Is For Networking, we explore the fundamentals of routing, focusing on layer 3 of the OSI model. We explain the concepts of routers, routing tables, and routing protocols, and discuss why it’s important to have a firm grasp of these concepts before you tackle advanced topics such as VXLAN and EVPN. Today’s... Read more »
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49:48
N4N016: Routers Are Not Switches…Are They?
The line between switches and routers can get a little blurry. On today’s N Is For Networking, we try to clear things up. We start by defining what a router and switch are, and then provide some historical and technical context to better understand the differences. Then we discuss how modern switches have evolved to... Read more »
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51:30
N4N015: Spanning Tree Part 3 – Versions, States and Guards
We’re back with the third and last (for now) installment of our spanning tree series. Today’s episode includes an explanation of spanning tree versions, 802.1D, 802.1w, 802.1s, and their practical implications for network design. The discussion then turns to BPDU guard for preventing loops and ensuring rapid connectivity. Bonus material on why you should or... Read more »
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41:58
N4N014: Spanning Tree Part 2 – Root Bridge, Edge Port, Forwarding and Blocking
Welcome to part 2 of our spanning tree series. We start with a quick review and then discuss root bridges, root ports, designated ports, and forwarding and blocked ports. We explain the impact of topology changes on spanning tree and network performance, and discuss how topology changes and convergence events are communicated. Last but not... Read more »
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34:58
N4N013: Spanning Tree Part 1 – An Introduction and Broadcast Storms
Spanning tree is a topic so mysterious and complicated that common advice is just to disable it. In today’s episode, we start a mini-series on spanning tree, hoping to better explain what it is and what it does. We begin with basic spanning tree terminology and its role in preventing loops in an Ethernet network.... Read more »
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52:33

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À propos de 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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