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This is an article that I wrote as a contribuitor for the Aruba blog. Read the full article Stacking Network Switches: Why and Why Not.

In networking, the term “stack” (or stackable) refers to a group of physical switches that have been cabled and grouped in one single logical switch. Over the years, stacking features have evolved from a premium (and costly feature) to a core capability of almost all enterprise-grade switches (and also in several SMB models).

It’s the opposite approach of a modular switch, where you have a single physical chassis with several slots and modules to grow your switch, used typically, at least in the past, in core switches.

In this article I’ll explain the different reasons to stack (or not stack) switches together, focusing on SMB use cases.

Read the rest of the post at: