vlans Archives – Practical Networking .net

VLANs – the simplest explanation

Ed Harmoush — Tue, 12 Nov 2019 20:03:08 +0000

I just released a new videos which teaches VLANs in the absolute simplest way. This is how I wish VLANs were taught to me when I first started my Networking journey. I have since taught countless students using this format, and the reception has been unanimously positive. Now I’m sharing that method with my readers!… Read More »VLANs – the simplest explanation

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VLANs — Index

Ed Harmoush — Sat, 12 Oct 2019 23:00:14 +0000

The following index of articles all cover various aspects of Virtual Local Area Networks, or VLANs. They are listed here in one place to make it easier to find if you are interested in learning more about VLANs. This handy shortlink has been created which will always take you to this page: pracnet.net/vlans Practical Networking… Read More »VLANs — Index

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Voice VLAN – Auxiliary VLAN

Ed Harmoush — Tue, 26 Feb 2019 18:45:07 +0000

The terms Voice VLAN or Auxiliary VLAN typically mean the same thing: They are a feature which allows an access port — which normally only accepts untagged traffic for a single VLAN — to also accept tagged traffic for a second VLAN. But that is merely the “what”, and if you were simply looking for… Read More »Voice VLAN – Auxiliary VLAN

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What is the Native VLAN?

Ed Harmoush — Fri, 14 Sep 2018 23:38:47 +0000

The Native VLAN is an often confused concept, though it needn’t be. This video will explain what the Native VLAN is and how it affects traffic on a wire. Summary An Access port (or “untagged port” in the non Cisco world) is a switch port which carries traffic for only one VLAN. A Trunk port… Read More »What is the Native VLAN?

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Routing Between VLANs & Layer 3 Switches

Ed Harmoush — Thu, 20 Oct 2016 15:37:46 +0000

We wrote an article which covers Virtual Local Area Networks (VLANs) as a concept, and another article on configuring VLANs on Cisco switches. The remaining subjects to cover are the different options that exist for routing between VLANs. This will let us illustrate the concepts of inter-vlan routing, Router on a Stick (RoaS), and Layer 3 Switches (occasionally… Read More »Routing Between VLANs & Layer 3 Switches

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Configuring VLANs on Cisco Switches

Ed Harmoush — Thu, 11 Aug 2016 00:19:55 +0000

We’ve before written about VLANs and what they can do as a concept. This article will focus on configuring VLANs on Cisco switches. We will look at each command necessary to configure the topology below. If this topology looks familiar, it is because you saw it in the article which described how VLANs operated on… Read More »Configuring VLANs on Cisco Switches

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Virtual Local Area Networks (VLANs)

Ed Harmoush — Thu, 23 Jun 2016 19:55:36 +0000

Virtual Local Area Networks, or VLANs, are a very simple concept that has been very poorly defined by the industry. This article will explain VLANs from a practical perspective. It will be framed around the two major functions of VLANs, and concluded with an explanation of the idea behind the Native VLAN. Finally, at the… Read More »Virtual Local Area Networks (VLANs)

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