Autonegotiation in Ethernet

Switch MAC Address Table

Duplex and Speed

Address Resolution Protocol (ARP)

Introduction

Demo - Fundamental Layer 2 Concepts

Ethernet Frame Addressing

Summary

Collision and Broadcast Domains

Physical Broadcast Domain Segmentation

Demo - VLANs in Action

Summary

Inconsistent VLAN Configuration Issues

VTP Introduction and Modes

VTP Packet Details and CRN

VTP Summary

VTP Versions and Caveats

Demo - VTP

VLAN Segmentation at the Network Level

Trunk Ports

VLAN Tagging on Trunk Ports

Access Ports

Demo - Access and Trunk Ports

DTP Introduction

DTP Modes

Disabling DTP

DTP Modes Interaction

Demo - DTP

Introduction to STP and the Evolution of Ethernet

STP Basics

STP Control Plane Part 1

STP Timers and Port States

Redundancy in Switched Networks

STP Control Plane Part 2

STP Control Plane Part 3

Demo - STP

STP Summary

Multiple Spanning Trees (MST)

Introduction and Per-VLAN STP (PVST+)

Rapid Spanning Tree Protocol (RSTP)

Demo Introduction and PVST+ Demo

Demo - MST

Demo - RSTP

Introduction and the Need to Protect STP

STP BPDU Guard

STP Root Guard

Demo - BPDU Guard and Root Guard

Link Aggregation at Layer 2

Introduction to Link Aggregation

Demo - Link Aggregation

Link Aggregation Control Protocol (LACP)

Summary