Computer Networking · Intermediate level

Intermediate level · Module 3 of 6 · 16 guided hours

Switching and VLANs

Understand switch operation and segment networks with VLANs.

Learning objectives

  • Explain how switches forward frames
  • Configure VLANs and trunks
  • Design a VLAN and addressing plan

Topics

  • MAC addresses
  • MAC address tables
  • VLANs
  • access and trunk ports
  • 802.1Q tagging
  • VLAN design

Lessons

  1. Lesson 1 How Switches Work

    Understand how switches learn and forward traffic.

    MAC addressMAC tablefloodingcollision and broadcast domains

  2. Lesson 2 VLANs and Trunks

    Split one physical network into several logical ones.

    VLANaccess porttrunk port802.1Q

  3. Lesson 3 Designing a VLAN and Addressing Plan

    Plan VLANs and subnets together for a real office.

    VLAN designVLSMnaming and numberingdocumentation

Practical activity

Design and configure VLANs for staff, finance, guests, printers and management on managed switches in Packet Tracer.

Expected outcomes

  • Segmented networks
  • Correct switch configuration

Assessment

VLAN design and configuration checked.

Taught live by an instructor — online or in person. Free course lessons are for self-study and do not lead to a certificate — see registration options.