CCNA Exploration 3 - Chapter 7

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CCNA Exploration 3 - Chapter 7

CCNA Exploration 3 - Chapter 7

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  • 1. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1Version 4.0 Configure a Wireless Router LAN Switching and Wireless – Chapter 7
  • 2. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 2 Objectives  Describe the components and operations of basic wireless LAN topologies.  Describe the components and operations of basic wireless LAN security.  Configure and verify basic wireless LAN access.  Configure and troubleshoot wireless client access.
  • 3. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 3 Explain the Components and Operations of Basic Wireless LAN Topologies  Describe why wireless LANs are a popular choice for small business LAN implementations
  • 4. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 4 Explain the Components and Operations of Basic Wireless LAN Topologies  Describe the 802.11 wireless standards
  • 5. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 5 Explain the Components and Operations of Basic Wireless LAN Topologies  Describe the components of a 802.11-based wireless infrastructure
  • 6. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 6 Explain the Components and Operations of Basic Wireless LAN Topologies  Describe how wireless networks operate
  • 7. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 7 Explain the Components and Operations of Basic Wireless LAN Topologies  Describe how to plan a wireless LAN
  • 8. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 8 Explain the Components and Operations of Basic Wireless LAN Security  Describe the threats to wireless LAN security
  • 9. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 9 Explain the Components and Operations of Basic Wireless LAN Security  Describe the wireless protocols. The description will include a description of 802.1x, a comparison of WPA and WPA2 as well as comparison of TKIP and AES
  • 10. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 10 Explain the Components and Operations of Basic Wireless LAN Security  Describe how to secure a wireless LAN from the key security threats
  • 11. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 11 Configure and Verify Basic Wireless LAN Access  Configure a wireless access point
  • 12. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 12 Configure and Verify Basic Wireless LAN Access  Configure a wireless NIC
  • 13. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 13 Configure and Troubleshoot Wireless Client Access  Describe how to solve access point firmware issues
  • 14. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 14 Configure and Troubleshoot Wireless Client Access  Describe how to solve incorrect channel settings
  • 15. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 15 Configure and Troubleshoot Wireless Client Access  Describe how to solve common RF interference issues
  • 16. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 16 Configure and Troubleshoot Wireless Client Access  Describe how to correct antenna misplacement
  • 17. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 17 Configure and Troubleshoot Wireless Client Access  Describe how to solve the common problems associated with wireless LAN encryption types
  • 18. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 18 Configure and Troubleshoot Wireless Client Access  Describe how to solve authentication problems associated with wireless LANs
  • 19. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 19 Summary  Wireless LANs use standards such as IEEE 802.11a IEEE 802.11b IEEE 802.11g IEEE 802.11n  Basic Service set –Mobile clients use a single access point for connectivity  Extended service set –Multiple access point that share an SSID
  • 20. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 20 Summary  WLAN security practices/methods include –MAC address filtering –SSID making –Implementing WPA2  Configuration of wireless NIC and access point –Configure both of them the same way •SSID –Ensure that the latest firmware is installed  Troubleshooting WLANs include doing the following: –Check channel setting –Check for interference
  • 21. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 21