FSNE: LANs and Switching (CCNA)


This module is all about switching and making sure you understand core switching knowledge such as Ethernet, Spanning Tree Protocol, VLANs, and Campus Network Design.




  • Welcome (1 min)
    • Welcome to the LAN Switching Fundamentals Module!
Ethernet - 62 minutes


  • Ethernet Overview and History (15 min)
    • Let’s dive into the history of Ethernet – the biggest and baddest player in Layer 2 networking.
  • Ethernet Segmentation (11 min)
    • What is an Ethernet Segment and what exactly is a bus? Let’s find out!
  • Common Cables Used with Ethernet (16 min)
    • Let’s look at the most common cables that are used with Ethernet.
  • Ethernet Naming Syntax (11 min)
    • Ethernet Syntax – we’ve got to understand it!
  • Real-World Ethernet Switch (9 min)
    • Let’s really get a grasp on Ethernet now by looking at real world Ethernet switching!
Switching Concepts - 68 minutes


  • Lab: Speed and Duplex (9 min)
    • Speed and Duplex mismatches are a common problem out in the field and usually leave people scratching their heads – let’s check it out in a lab so we know what to expect!
  • Lab: Configure Basic Switching (16 min)
    • Here we get to check out a lab where we look into switching components such as the MAC address table.
  • Broadcast Domains (23 min)
    • And now, let’s learn what a Broadcast Domain is!
  • Spanning-Tree Protocol (15 min)
    • STP – the one and only Spanning Tree Protocol. Well, there’s been a few different versions, but you get the point!
  • Lab: Spanning-Tree Protocol (15 min)
    • There’s always room for a Spanning Tree lab!
VLANs - 102 minutes


  • Introduction to VLANs (9 min)
    • VLANs – One of the most important concepts to grasp as an up and coming network engineer!
  • Creating VLANs (22 min)
    • Creating VLANs is easy!
  • VLAN Trunking (18 min)
    • How do we pass traffic for multiple VLANs from one switch to another? Oh, that’s right, with Trunks!
  • Dynamic Trunking Protocol (11 min)
    • Dynamic Trunking Protocol – what it be? Let’s find out!
  • Voice VLAN (14 min)
    • The Voice VLAN is a special VLAN indeed – we must prioritize it over other traffic.
  • Native VLAN (7 min)
    • Many folks misunderstand the Native VLAN, however, you will not.
  • Native VLAN (21 min)
    • This lab will help us practice configuring a multi-vlan environment.
EtherChannel - 62 minutes


  • EtherChannel (33 min)
    • Spanning-tree protocol will not block any ports on redundant physical connections between two switches if you have them configured as an etherchannel.
  • Lab: EtherChannel (29 min)
    • Let’s learn how to configure an etherchannel in three different ways.
LAN Design - 16 minutes


  • Campus LAN Topologies (3 min)
    • Here we will cover just a few simple topologies that we use in Cisco LAN design.
  • Campus Network Design (13 min)
    • Access layer, distribution layer, core layer – campus networking is awesome.
Wireless LANs - 100 minutes


  • Wireless LANs (3 min)
    • Let’s make sure we have down the basics of 802.11 Wireless Local Area Networks.
  • Wireless Installation (12 min)
  • Wireless Transmission (12 min)
    • This lesson will describe how digital 1’s and 0’s are transmitted using radio waves.
  • WLAN Security (19 min)
    • Let’s find out the most secure ways to implement a wireless network.
  • Lab – Configure Basic Wireless on a Wireless Router (30 min)
    • This lesson will cover basic wireless configuration using a wireless router.
  • Lab – WLAN Configuration Using a WLC (23 min)
    • 802.1x can be used for authentication in an enterprise environment.


Guidance and Motivation


The program is created by engineering veterans who worked at Cisco, Arista Networks, top VARs, and in the U.S. Air Force. The founders have trained over 1000+ engineers for the military and built this curriculum from the ground up in order to make you job and mission-ready!

Over 40+ years of combined industry experience have been poured out into our Full Stack Network Engineering program to take anyone from Zero to Engineer in 14 to 24 weeks.

Terry Kim

Founder and CEO of NexGenT – I’ve worked in the IT industry for 15+ years before starting this company and have been fortunate enough to work for some amazing companies such as Cisco Systems, Arista Networks, and Dimension Data as a Network Architect/Systems Engineer. And my mission is to help you level up in Information Technology!

Jacob Hess

I’m a Network Engineer, Entrepreneur, and Air Force veteran who is passionate about computer networking, education, and high performance teams. I enjoy people, teaching, learning, business, and cutting edge technology.

Bill Goodwin

20 years in the computer networking industry that has included campus enterprise and Service Provider backbone support.  Headed up the problem management team overseeing troubleshooting for all high profile issues at AT&T.  Began teaching Cisco networking as a Cisco Netacad Instructor in 2007.  My focus is to get students CCNA certified.

John Meersma

I am a Network, Collaboration, and Automation Engineer with a passion for helping others become their technical best. I have worked with and taught technology for over twenty years. Learning Cisco and becoming certified change my life. I am committed to helping others do the same.