API vs SNMP vs CLI: The Best Choice for Network Devices

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In this video, Chuck Keith covers the three main methods of connecting to routers and switches: SSH (CLI), SNMP, and API. Each of these was developed for a specific purpose and they have different strengths, weaknesses, and features. Chuck will explain what each of these are then teach you how to choose which one to use.

Chuck begins by giving a bit of historical context, outlining the evolution of how we remotely connect to our routers and switches. He’ll discuss the three big players in internet connectivity: SSH, SNMP, and API.

SSH is simply the command line, while SNMP is the quiet workhorse in the background. Simple Network Management Protocol isn’t actively used to log into devices and manage data, but monitoring systems rely on it heavily.

Finally, there’s the API. Chuck will define what Application Program Interfaces are, why they exist, and how they’re used. He’ll finish with a few examples to give you an idea of various situations where each of these three tools is most useful.

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