protocol
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Virtualization
CCNA chapter 1 part 2 – Top 3 TCP/IP layers, routing, tracert and captures!
In this video we will continue through chapter 1, taking a closer look at RFC 1122 and the application, transport and network layers of the TCP/IP model. We will also talk over an HTTP example and discuss some of the interactions between layers. But we like packets so let’s take a look at some actual packet captures to drive the…
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Virtualization
It’s certification time – let’s get underway!
We’ve talked a lot of networking on the channel and now we will turn to some specific applications of all of that knowledge: certifications. The two I have in mind will be the Cisco Certified Network Associate (CCNA) and Comptia Network+. They have similar topics and we are going to go through them all in detail. At the end, I’ll…
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Virtualization
Let’s get that job #3 – Money and Skills
In this video we will continue our discussion about network engineering jobs with some comments from the engineers in the field and the appearance of the L4 engineer. But, let’s not forget salaries – how much does a network engineer make? Add to the conversation! #1 What’s a network engineer and what is needed? #2 Levels and People: Books and…
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Virtualization
Let’s get that job #2 – Engineer Levels and Working with People
With this video we are still exploring what it means to be a network engineer. So, let’s talk levels (L1, L2, L3) and maybe a little bit about working with people. Are you a self-starter? Lone wolf? Agreeable? Disagreeable? In either case, knowing a little more about your target job and the kind of person you are can help in…
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Virtualization
Linux Networking #6 – Layer 3 Routing Part 2 Routing and Bridging demo
In this video we will conclude our Linux networking series with both routing and bridging demos. All of the details for the build will be shown including the hypervisor config, network interfaces, YAML configuration for all three nodes and the sysctl.conf file. Along the way we will go over some troubleshooting tips and what to look for when your build…
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Virtualization
Linux networking #4 – Bridging, virtual bridges and bridged interfaces.
In this video we will discuss the basics behind bridging – a fundamental part of our networking world. With bridging you get the benefits of network extension, filtering and forwarding based on MAC (layer 2) addresses. We can apply this idea to virtual machines or interfaces inside a physical or virtual host. So let’s talk about that and do an…
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