Cisco CCNA
Transcripts
CCNA VLANs
Chapter 1 - Introduction Welcome to the start of the CCNA training series! We’re going to take the network fundamentals that you already know, and build on them to take you to the next level. If you don’t have the fundamentals yet, don’t worry, we have a series on that too. In section 1...
CCNA Interfaces
Chapter 1 - Introduction It’s not enough to simply configure a few VLANs on a switch and think you’re done. You also have to know how to connect devices to your switch, and for that matter, how to connect switches to other switches. So this time we’re looking at interfaces. This includes types of...
CCNA Spanning Tree
Chapter 1 - Introduction It’s not a real big secret that networks don’t like loops. If loops aren’t handled properly, traffic can travel around your network indefinitely, consuming resources. At layer-3, loop handling is built in. That’s the TTL value in the IP header. Layer-2 on the other hand, is not so lucky....
CCNA Rapid Spanning Tree
Chapter 1 - Introduction The original spanning-tree protocol was developed way back in the mid-1980’s by Radia Perlman. This is well before switches, as we know them today, even existed. What you’re seeing here is the original paper published in 1985, outlining how spanning-tree works. And it worked well for its time. But...
CCNA Etherchannels
Chapter 1 - Introduction When we connect switches together, we need to think about things like… What happens if a link fails? And, do we have enough bandwidth between these switches? To provide redundancy and increase bandwidth, we’re going to look to a technology called Etherchannels. Chapter 2 - What are Etherchannels? We’ve recently...
CCNA Power over Ethernet
Video: https://youtu.be/-RAPwEMHM58 Chapter 1 - Introduction Got a quick and to-the-point video for you today, and it’s all about power. Imagine that you have a few desk phones, security cameras and wireless access points to connect to your network. These devices need power, but you don’t want to add an extra wall socket...
CCNA Routing Review
https://youtu.be/PXs8KDFVj1c Study Notes Quizzes and flashcards Transcripts Labs Chapter 1 - Introduction In this section of eight lessons, we’re covering layer-3 technologies. These include IP addressing, routing tables, OSPF, and Quality of Service. We’re starting in this lesson with a review on IP addressing and routing table basics. If you’re already quite comfortable with this,...
CCNA Subnet Design
Chapter 1 - Introduction We’re changing things up in this lesson, and looking at designing the IP space for a network. We’re going to take a fictional network topology, and select suitable IP space for each subnet. Don’t worry, I’ll explain it all step-by-step. This one’s sure to be interesting! Chapter 2 - Design Scenario...
CCNA Dynamic Routing
https://youtu.be/pCIG1kBsLuQ Labs Transcripts Flash Cards Chapter 1 - Introduction In the last few videos, we’ve only been using static routes. These are fine to a point, but as the network grows, it requires a lot more effort to maintain. Also, static routes don’t respond to changes in the network. So we’re now going to get...
CCNA OSPF Neighbours
https://youtu.be/PNSMLevN3-4 Labs Transcripts Quizzes Study Notes Chapter 1 - Introduction OSPF is one of those protocols that has been around for a long time, and all vendors use it. So it makes sense that this is the protocol Cisco want you to focus on in the CCNA exam. In this lesson, and the following two,...
CCNA OSPF Database and Networks
https://youtu.be/_jrGX7Tclgo Labs Transcripts Flash Cards Quizzes Study Notes Chapter 1 - Introduction OSPFs job is to learn network routes, and select the best ones. In the last lesson, we saw that part of this is building neighbour relationships. Another part is storing everything it learns in a database. OSPF is a link-state protocol, which means...
CCNA OSPF Routes
https://youtu.be/WQ_7iGYu3kc Study Notes Quizzes and flashcards Transcripts Labs Flash Cards Chapter 1 - Introduction As protocols go, OSPF is intelligent. But sometimes, we know better than it does. Sometimes we know that traffic should behave a certain way, to use a certain path that we know is better. So, in this lesson, we’ll see how...
CCNA Introduction to QoS
https://youtu.be/GltpnpM3-C4 Quiz and Flashcards Labs Transcript Study Notes Chapter 1 - Introduction There’s no doubt that some traffic is more important than others. We wouldn’t want the quality of a video or phone call to suffer, because people are streaming a 4K YouTube video. QoS, or Quality of Service are the collection of tools that...
CCNA QoS Traffic Management
https://youtu.be/BHnd02z6QqM Study Notes Quizzes and flashcards Transcripts Labs Chapter 1 - Introduction From the last lesson, we know that QoS organizes traffic into classes. It then performs actions on traffic in those classes. We’re now going to dig a little deeper, and answer questions such as how many classes do we use? How does rate-limiting...
CCNA IPv6 Overview
https://youtu.be/PWiERFT27NU Study Notes Transcripts Chapter 1 - A History Lesson IN THE BEGINNING, the Internet Protocol was part of TCP. There was no separation. There was no layer-2 and layer-3. It all worked as one… When I say ‘the beginning’, I’m talking about 1973, and the protocol was TCP version 1. Fast forward a little...
CCNA IPv6 Addresses
https://youtu.be/I6UfJmb5f3k Study Notes Quizzes and flashcards Transcripts Chapter 1 - Address Format At first glance, IPv6 addresses seem strange and different to what we're used to. In this video, I'm going to simplify things. By the end, this IPv6 address will make total sense! Let’s start by comparing an IPv4 and an IPv6 address. IPv4...
CCNA IPv6 Address Types
https://youtu.be/rOODLcicVCw Study Notes Quizzes and flashcards Transcripts Labs Chapter 1 - Public Address Space IPv6 comes with some new address types. In this video, you’ll find out about global unicast addresses, local addresses, anycast addresses, and others. Back in the 1990s, the world was running out of IP addresses. One of the ways to conserve...
CCNA Configuring IPv6
https://youtu.be/WQ_7iGYu3kc Study Notes Quizzes and flashcards Transcripts Labs Chapter 1 - Static Addresses There’s a whole new way of assigning addresses to devices with IPv6. Of course, we can still do this manually, and we can still use DHCP. But now we have new options, including EUI64 and SLAAC. Configuring IPv6 addresses really isn’t that...
CCNA Routing with IPv6
https://youtu.be/WQ_7iGYu3kc Study Notes Quizzes and flashcards Transcripts Labs Chapter 1 - Static Routing IPv6 is routable, just as IPv4 is. This means that static routing and dynamic routing protocols can still be used. OSPF has even had an upgrade to support IPv6. We’ll see how that works very soon. Let’s start by configuring a few...
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