External, Tutorials

Why we have VLANs – Cisco CCNA Tutorial – flackbox

Why We Have VLANs Virtual Local Area Networks (VLANs) are a Layer 2 feature implemented on switches. To understand why we have them, you need to understand the problem that they solve first.   First, let’s look at the router operations. Routers operate at Layer 3 of the OSI Stack.

Learn more with Neil Anderson on FlackBox

 

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