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Chapter 4: Wireless LANs

  • 4.0 Introduction
    • 4.0.1 Introduction
      • 4.0.1.1 Introduction
      • 4.0.1.2 Class Activity - Make Mine Wireless
  • 4.1 Wireless Concepts
    • 4.1.1 Introduction to Wireless
      • 4.1.1.1 Supporting Mobility
      • 4.1.1.2 Benefits of Wireless
      • 4.1.1.3 Wireless Technologies
      • 4.1.1.4 Radio Frequencies
      • 4.1.1.5 802.11 Standards
      • 4.1.1.6 Wi-Fi Certification
      • 4.1.1.7 Comparing WLANs to a LAN
      • 4.1.1.8 Activity - Identify the Wireless Technology
      • 4.1.1.9 Activity - Compare Wireless Standards
      • 4.1.1.10 Activity - Compare WLANs and LANs
    • 4.1.2 Components of WLANs
      • 4.1.2.1 Wireless NICs
      • 4.1.2.2 Wireless Home Router
      • 4.1.2.3 Business Wireless Solutions
      • 4.1.2.4 Wireless Access Points
      • 4.1.2.5 Small Wireless Deployment Solutions
      • 4.1.2.6 Large Wireless Deployment Solutions
      • 4.1.2.7 Large Wireless Deployment Solutions, Cont.
      • 4.1.2.8 Wireless Antennas
      • 4.1.2.9 Activity - Identify WLAN Component Terminology
      • 4.1.2.10 Lab - Investigating Wireless Implementations
    • 4.1.3 802.11 WLAN Topologies
      • 4.1.3.1 802.11 Wireless Topology Modes
      • 4.1.3.2 Ad Hoc Mode
      • 4.1.3.3 Infrastructure Mode
      • 4.1.3.4 Activity - Identify WLAN Topology Terminology
  • 4.2 Wireless LAN Operations
    • 4.2.1 802.11 Frame Structure
      • 4.2.1.1 Wireless 802.11 Frame
      • 4.2.1.2 Frame Control Field
      • 4.2.1.3 Wireless Frame Type
      • 4.2.1.4 Management Frames
      • 4.2.1.5 Control Frames
      • 4.2.1.6 Activity - Identify the 802.11 Frame Control Fields
    • 4.2.2 Wireless Operation
      • 4.2.2.1 Carrier Sense Multiple Access with Collision Avoidance
      • 4.2.2.2 Wireless Clients and Access Point Association
      • 4.2.2.3 Association Parameters
      • 4.2.2.4 Discovering APs
      • 4.2.2.5 Authentication
      • 4.2.2.6 Activity - Order the Steps in the Client and AP Association Process
    • 4.2.3 Channel Management
      • 4.2.3.1 Frequency Channel Saturation
      • 4.2.3.2 Selecting Channels
      • 4.2.3.3 Planning a WLAN Deployment
      • 4.2.3.4 Activity - Identify Channel Management Terminology
      • 4.2.3.5 Activity - Cisco Wireless Explorer Game
  • 4.3 Wireless LAN Security
    • 4.3.1 WLAN Threats
      • 4.3.1.1 Securing Wireless
      • 4.3.1.2 DoS Attack
      • 4.3.1.3 Management Frame DoS Attacks
      • 4.3.1.4 Rogue Access Points
      • 4.3.1.5 Man-in-the-Middle Attack
    • 4.3.2 Securing WLANs
      • 4.3.2.1 Wireless Security Overview
      • 4.3.2.2 Shared Key Authentication Methods
      • 4.3.2.3 Encryption Methods
      • 4.3.2.4 Authenticating a Home User
      • 4.3.2.5 Authentication in the Enterprise
      • 4.3.2.6 Activity - Identify the WLAN Authentication Characteristics
  • 4.4 Wireless LAN Configuration
    • 4.4.1 Configure a Wireless Router
      • 4.4.1.1 Configuring a Wireless Router
      • 4.4.1.2 Setting Up and Installed Initial Linksys EAS6500
      • 4.4.1.3 Configuring the Linksys Smart Wi-Fi Homepage
      • 4.4.1.4 Smart Wi-Fi Settings
      • 4.4.1.5 Smart Wi-Fi Tools
      • 4.4.1.6 Backing Up a Configuration
    • 4.4.2 Configuring Wireless Clients
      • 4.4.2.1 Connecting Wireless Clients
      • 4.4.2.2 Packet Tracer - Configuring Wireless LAN Access
      • 4.4.2.3 Lab - Configuring a Wireless Router and Client
    • 4.4.3 Troubleshoot WLAN Issues
      • 4.4.3.1 Troubleshooting Approaches
      • 4.4.3.2 Wireless Client Not Connecting
      • 4.4.3.3 Troubleshooting When the Network Is Slow
      • 4.4.3.4 Updating Firmware
      • 4.4.3.5 Activity - Identify the Troubleshooting Solution
  • 4.5 Summary
    • 4.5.1 Summary
      • 4.5.1.1 Class Activity - Inside and Outside Control
      • 4.5.1.2 Packet Tracer - Skills Integration Challenge
      • 4.5.1.3 Summary
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