CCNA Exploration 3 - Chapter 7
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The document discusses configuring and troubleshooting wireless local area networks (WLANs). It covers wireless LAN topologies and components, security protocols and practices, and how to configure a wireless access point and network interface card. Troubleshooting techniques for wireless client access issues are also examined, including solving problems related to access point firmware, radio frequency interference, encryption settings, and authentication.
CCNA Exploration 3 - Chapter 7
- 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