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exploration_lan_switching_chapter7.ppt

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© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 Version 4. 0 Configure a© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 Version 4. 0 Configure a Wireless Router LAN Switching and Wireless – Chapter

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 2 Objectives Describe the components and© 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.

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 3 Explain the Components and Operations© 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

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 4 Explain the Components and Operations© 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

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 5 Explain the Components and Operations© 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

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 6 Explain the Components and Operations© 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

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 7 Explain the Components and Operations© 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

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 8 Explain the Components and Operations© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 8 Explain the Components and Operations of Basic Wireless LAN Security Describe threats to wireless LAN security

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 9 Explain the Components and Operations© 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. 1 x, a comparison of WPA and WPA 2 as well as comparison of TKIP and AES

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 10 Explain the Components and Operations© 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

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 11 Configure and Verify Basic Wireless© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 11 Configure and Verify Basic Wireless LAN Access Configure a wireless access point

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 12 Configure and Verify Basic Wireless© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 12 Configure and Verify Basic Wireless LAN Access Configure a wireless NI

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 13 Configure and Troubleshoot Wireless Client© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 13 Configure and Troubleshoot Wireless Client Access Describe how to solve access point firmware issues

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 14 Configure and Troubleshoot Wireless Client© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 14 Configure and Troubleshoot Wireless Client Access Describe how to solve incorrect channel settings

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 15 Configure and Troubleshoot Wireless Client© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 15 Configure and Troubleshoot Wireless Client Access Describe how to solve common RF interference issues

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 16 Configure and Troubleshoot Wireless Client© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 16 Configure and Troubleshoot Wireless Client Access Describe how to correct antenna misplacement

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 17 Configure and Troubleshoot Wireless Client© 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

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 18 Configure and Troubleshoot Wireless Client© 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

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 19 Summary Wireless LANs use standards© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 19 Summary Wireless LANs use standards such as IEEE 802. 11 a IEEE 802. 11 b IEEE 802. 11 g IEEE 802. 11 n Basic Service set – Mobile clients use a single access point for connectivity Extended service set – Multiple access point that share an SSI

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 20 Summary WLAN security practices/methods include© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 20 Summary WLAN security practices/methods include – MAC address filtering – SSID making – Implementing WPA 2 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

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 21 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public