© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE I Chapter 6 1 Wireless Technologies Networking for Home and Small Businesses – Chapter 7

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 2 Objectives  Describe wireless technologies.  Describe the various components and structure of a WLAN  Describe wireless LAN security issues and mitigation strategies  Configure an integrated wireless access point and a wireless client.

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 3 Wireless Technologies  Describe the various wireless technologies and the devices that use them

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 4 Wireless Technologies  Describe the benefits and limitations of wireless

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 5 Wireless Technologies  Define wireless networks and their boundaries

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 6 Components and Structure of a WLAN  Identify and describe wireless LAN standards

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 7 Components and Structure of a WLAN  Identify and describe various wireless LAN components.

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 8 Components and Structure of a WLAN  Identify and describe various wireless modes and the importance of the SSID IBSS – ad hoc BSS - infrastructure

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 9 Components and Structure of a WLAN  Describe how wireless channels are used  CSMA/CA: Describe how wireless channels avoid collisions

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 10 Components and Structure of a WLAN  Configure an integrated wireless access point

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 11 Components and Structure of a WLAN  Configure a wireless client

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 12 Wireless LAN Security Issues and Mitigation Strategies  Describe why and how people attack wireless networks

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 13 Wireless LAN Security Issues and Mitigation Strategies  Limiting access to a WLAN MAC address filtering

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 14 Wireless LAN Security Issues and Mitigation Strategies  Describe authentication and its purpose

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 15 Wireless LAN Security Issues and Mitigation Strategies  Describe encryption and its purpose on a wireless network.

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 16 Wireless LAN Security Issues and Mitigation Strategies  Describe traffic filtering and its purpose

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 17 Planning the WLAN  Plan for a wireless LAN implementation

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 18 Configure an Integrated Wireless Access Point and Wireless Client  Installing and securing the AP

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 19 Configure an Integrated Wireless Access Point and Wireless Client  Describe options for backing-up and restoring AP configurations

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 20 Configure an Integrated Wireless Access Point and Wireless Client  Identify current version of firmware and describe how to update firmware

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 21 Summary  Wireless technologies use electromagnetic radiation in the form of radio signals to carry information between devices.  Ease and convenience of connecting devices wirelessly creates security concerns that need to be addressed.  Before installing wireless devices, an installation plan should be created which includes strategies for layout and security.

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 22