Layer 2 Switching & VLAN's for Cisco CCNA
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Layer 2 Switching & VLAN's for Cisco CCNA

This course is geared for Cisco's, CCNA (200-120) certification exam. It will cover the Switching portion of the CCNA.
4.8 (90 ratings)
Instead of using a simple lifetime average, Udemy calculates a course's star rating by considering a number of different factors such as the number of ratings, the age of ratings, and the likelihood of fraudulent ratings.
1,603 students enrolled
Created by Lazaro Diaz
Last updated 2/2016
Current price: $10 Original price: $95 Discount: 89% off
1 day left at this price!
30-Day Money-Back Guarantee
  • 6 hours on-demand video
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
What Will I Learn?
  • Once you finish my course, you will have a strong grasp on the switching concepts and the methods to use in different networking environments. You will be able to configure the cisco switch with all its administrative tasks, STP, RSTP, VTP and switch port security. You will learn how to improve the performance of the switches by turning off services on certain ports so information can start transmitting much quicker. The understanding of Layer2 concepts is an essential element for any Networking and/or IT Professional. This course will prepare the student for any networking certification such as N+, CCNA, MCSE to include any Computer Science Degree.
  • Mastering this knowledge will make the student, Networking and/or IT Professional a much more valuable asset in any IT environment.
View Curriculum
  • Students should have an understanding of basic networking.
  • The Cisco Packet Tracer or similar simulator
  • The desire to learn and apply the knowledge obtained in a testing environment or real world scenario

This course is several hours in length and will cover Layer 2 switching in detail. I will explain the Technology and media access control method for Ethernet networks, network segmentation, switching concepts and the operation of Cisco switches.

DISCLAIMER:   Please note that the simulators/emulators used in this course are not part of the course. It is the students responsibility to have these to practice with. The Cisco Packet Tracer and/or VIRAL (Virtual Internet Routing Lab) are Cisco proprietary software and can only be obtained through Cisco. It is up to each student to obtain the simulator/emulator of their choice to study along with this course.

Students will get a thorough understanding of switching and how we would implement it in a real world environment.

We will discuss the following concepts switching services and rules we should follow when segmenting networks. We will also compare bridging vs. LAN switching focusing in great detail on the Spanning-tree protocol. We will look at the switch Functions at layer two, such as how a switch learns about the nodes on the network and how it makes its decisions to forward the information and most definitely how to secure our ports on the switches.

Once get an understanding of how switches work and their administrative configurations we will then go into explain and creating vlans and inter-vlan connectivity and what would be the benefits of using VLANs on our network. You will learn the different port types and encapsulation methods we use when using vlans, and will fully understand the difference between trunking a port and the VTP protocol.

This is a lecture based course using the Touch-IT Technology Smart board, which will make learning very interactive and engaging. Hands on labs will be used to drill down the concepts learned in each lecture using Cisco’s Packet Tracer.

My method will make you feel like you are sitting in a classroom environment and give the most needed hands on experience!

Handouts will be available to facilitate learning and practice.

This course will help the student become familiar with layer 2 switching and vlans and how to implement them in your environment…but it will also help in preparing for any networking certification or Computer Science Degree; not to mention the fact that for those already in the field, it will further improve routing decisions in their particular networks.

Who is the target audience?
  • This course is intended for anyone that is preparing for a network certification or Computer Science Degree. However, it does go beyond that, it is also intended for those Networking and/or IT Professionals that are already in the field and need a better understanding of switching.
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Curriculum For This Course
Expand All 29 Lectures Collapse All 29 Lectures 05:58:58
Layer 2 switching
4 Lectures 01:05:57

This Lesson is an overview of the subjects that you will be learning in this course.

Preview 03:11

In this lesson I will demonstrate using the Packet Tracer how exactly, a switch learns MAC addresses from the nodes that are connected to it.

How the switch populates its MAC address table

This lesson will explain how having redundant switch connections you could have loops at layer 2 and the protocol that will help you prevent those loops.

Switching Loops at layer 2

This lesson will show you how to configure security on individual or a range of ports, to only allow a certain number of mac address on those ports.

Port Security
Configuring Catalyst Switches
4 Lectures 01:07:00

This lesson will demonstrate some of the basic configurations that you would configure on a switch.

Basic Administration Configuration

This lesson will demonstrate some of the advanced configurations that you would configure on a switch.

Advanced Administration Configuration

In this lesson you will learn various commands, that you could use to verify your configurations on your Cisco Catalyst Switches.

Verifying Cisco Catalyst Switches

In this lesson you will learn to back up not only your configuration but your IOS as well to a TFTP server.

Backing up Switch configurations
Enhanced Switched Techonologies
4 Lectures 58:01

This lesson will explain to you how the Spanning-Tree Protocol works, specifically when its deciding which switch will be the root bridge and wich switch will have a blocked port to prevent the BPDU's from fowarding out a specific port.

The Spanning-Tree Protocol

In this lesson you will briefly learn that there are different types of STP that you could configure on your Cisco Catalyst Switch.

Types of Spanning-Tree

This lesson will explain how you can have Per-Vlan Spanning-Tree, depending on the STP version you use.

Preview 05:13

Modifying the Switch Bridge ID
Manipulating Spanning-Tree Protocol
3 Lectures 24:52

In this lesson you will learn how to turn off STP, using the portfast command. This will allow the port to quickly turn to a designated fowarding state.

Using the Portfast command

In this lesson you will learn how to guard your ports from someone accidentally connecting an internetworking device to them. Since, you turned of STP we must implement a command that would prevent BPDU from propogating out of unwanted ports.

Using the BPDUGUARD command

This is a very brief lesson on how to verify that STP is configured according to your needs and how to use the CDP command aswell.

Preview 04:44
Vlan Basics
3 Lectures 34:57

In this lesson, I will explain how creating vlans, will deacrease the amount broadcast within a broadcast domain.

Broadcast Control using Vlans

In this lesson, I will explain how creating vlans enchances your security, since the router is the one that determines the path the packet will take.

Security using Vlans

In this lesson I will explain to you, how vlans can help you make your network more flexible and scalable to work with.

Flexibility and Scalability
Identifying Vlans
3 Lectures 28:32

In this lesson I will explain the importance of switchport modes and how to configure them.

Switchport modes

In this lesson I will explain how the switch knows where to send each vlan to there correct destination.

Frame Tagging

In this lesson you I will explain the two methods used for Vlan Identification.

Vlan Identification Method
Routing between vlans
5 Lectures 41:58

In this lesson I will explain the need to still have routers in our network.

Do we need routers?

In this lesson I will show you how easy it is to create a vlan.

Creating Vlans

In this lesson I will show you how to assign a vlan to a range of ports.

Naming and assigning Vlans

In this lesson you will finish of from the previous lab in assinging the vlans, configuring port security and so forth. We then are going discuss the trunking of ports and why they are needed.

Configuring Trunk Ports

In this lesson I will show you how to change your Native Vlan from Vlan 1 to some other number and assign the ports to that vlan. I will also discuss the importance of keeping the Native Vlan name consistent accross your switch network.

Changing the Native Vlans
Router Configuration
1 Lecture 22:44

In this lesson you will learn how to configure inter-vlan communication, using sub-interfaces and the correct encapsulation.

Inter-Vlan configurations
Virtual Trunking Protocol
1 Lecture 12:05

In this lesson I will explain what VTP is, what it is used for and how to status VTP.

Defining VTP
Summary of Layer 2 Switching
1 Lecture 02:52

This lesson is simply an overview of everything we covered, stressing to you what points to focus on when you study for the CCNA.

The importance of creating a secure, redundant and fast switched network

This is a simple quiz on layer 2 switching to assess your understanding of topics covered

Layer 2 Switching Exam
16 questions
About the Instructor
Lazaro Diaz
4.5 Average rating
6,445 Reviews
53,143 Students
18 Courses
Network Engineer, Cisco & Microsoft Instructor

2017 will be our year to achieve our many goals! ...yes, I include myself here as well.

If you are determined, ambitious and hungry for a new beginning...then 2017 should be your year!  

...and how better to start or end the year than to get your Cisco Certification!

Whether you are interested in the CCNA R/S, the CCENT, ICND2, the CCNP, or you just want to understand the key topics of these certification, taking one or ALL of my courses, will get you a lot closer to that goal.

But, don't take my word for it...please take a look at the FREE previews (they are available in all my courses) and see for yourself.

As for me, 2017 will be the year of putting out new courses for different types of IT certifications among other things.

These will include, not just Cisco courses, but also CompTIA & Microsoft courses as well.

I also hope to complete my second book based on ALL the Routing Protocols in 2017.

My first book is available in AMAZON and it's called "The Only IP Book You Will Ever Need!"

So, yes, with all these great plans for the future, my schedule will be quite full but fulfilling!

What you wanted to know about me:

If you are tired of the same old methods of learning and want someone that is pretty much unconventional, but at the same time will provide you with an enjoyable learning experience in layman's terms...then please preview my courses and you will discover that I am your guy.

I am a Network Engineer with over 15+ years in the field and in the teaching industry. I hold the following certifications: CCNA, CCNA Security, CCNA Voice, Security+, Network+, A+, MCP, MCTS & MOS and since I passed the first of two test for the CCIE, I hope to complete the second half in 2017! 

My teaching experience stems from teaching at institutions like Palm Beach Community College, New Horizons, Florida Career College (now Anthem College) and The Academy of South Florida, not to mention teaching at my own training facility in Miami, Florida and now being if several e-Learning platforms world-wide.

Having been in all sides of the spectrum; as a student, a teacher/trainer, and in the field, I believe this uniquely qualifies me to understand the student, and what they have been exposed to as opposed to what they really want to accomplish. These two are sometimes extremely conflicting and frustrating. That is why I teach in the manner I do and can relate to the student's rejection of the Status Quo.

I have taught corporate employees at MetroPCS (now T-Mobil) and have also taught IT professionals of companies like The Florida Marlins, Hospital personnel & Attorney's firms, among others, to guide them in acquiring their CCNA certification and/or their Microsoft certifications; like the MOS (Microsoft Office Specialist). YES!...I am also an applications instructor and also teach Word, Excel, PowerPoint and Access.

I teach in an unconventional way that allows for students to understand the subject matter and can therefore, not only prepare them for a Cisco and/or Microsoft certification exam, but apply my methods in the real world. I strive to give the student a greater opportunity to compete in the current job markets. Do I go above and beyond what is needed for a certification?...YES, I do!...because it's not only about getting a certification, it's also about making sure the student is prepared for a job interview and/or maintaining their current job by enhancing their skills. This is where I step in and make sure that the student is prepared for whatever they need and make them an asset to their employer. Everyone has different requirements and I make sure, or at least I try, to provide information for most scenarios.

My classes and/or courses are very simple and that's how I like to teach. I truly believe in "KISS",,,NO, I don't want to kiss you, what this means "keep it simple stupid" - If things are kept simple, easy and explained in a way that the student can grasp quickly and retain the information...then I have achieved my goal!

For those that do not know me yet, you may not be used to my style of teaching, but you will soon get accustomed to it :)... I'm very laid back, I try to make learning fun and I teach in layman's physics jargon or mumbo jumbo in my teachings. My courses are very interactive and extremely dynamic! will not find my lectures monotone or boring, because falling asleep, for lack of excitement, is just NOT an option. Just take a look for yourself at my video previews, which I always provide on ALL my courses, so you can determine if I'm the right guy to help you get your industry specific certifications. ;)

I certainly hope that after a careful review of my credentials & testimonials (you can Google it you know!), I'm the Cisco & Microsoft Instructor you're looking for!


Network Engineer, Cisco & Microsoft Instructor
Motivational Evangelist

- and -

Author of: "The Only IP Book You Will Ever Need!" now on AMAZON