Tag Archives: layer 2

L2 Basics: Configuring an EtherChannel

Matt Schmitz/ January 30, 2018

Today we’re going to take a look at how to configure an etherchannel between two Cisco Switches. What is an etherchannel? It’s a way of taking multiple independent links and bundling them together, so that they appear as one logical connection between two devices. Etherchannels are commonly used between two switches, or between a switch and a host – which

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L2 Basics: Spanning-Tree Protocol

Matt Schmitz/ November 14, 2017

Spanning-tree protocol (STP) is one of those network technologies that is easy to forget about. It exists in the background of almost every network, and for the most part it does it’s job without any issues. However, there is still a huge benefit to understanding what STP does and how it works – because it’s default behaviors might not the

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Port Security: Worth the effort?

Matt Schmitz/ March 14, 2017

Port Security. Always seems like one of those things covered in Cisco exams, yet how many businesses actually use it? For those that aren’t implementing it, should they? Or is it too much of a headache? So the concept of port security is fairly simple – We want to secure each individual switch port to a physical layer 2 MAC

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