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.

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Configure a Wireless
Router
LAN Switching and Wireless – Chapter 7

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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.

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Explain the Components and Operations
of Basic Wireless LAN Topologies
 Describe why wireless LANs are a popular choice for
small business LAN implementations

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Explain the Components and Operations
of Basic Wireless LAN Topologies
 Describe the 802.11 wireless standards

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Explain the Components and Operations
of Basic Wireless LAN Topologies
 Describe the components of a 802.11-based wireless
infrastructure

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Explain the Components and Operations
of Basic Wireless LAN Topologies
 Describe how wireless networks operate

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Explain the Components and Operations
of Basic Wireless LAN Topologies
 Describe how to plan a wireless LAN

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Explain the Components and Operations
of Basic Wireless LAN Security
 Describe the threats to wireless LAN security

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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

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Explain the Components and Operations
of Basic Wireless LAN Security
 Describe how to secure a wireless LAN from the key
security threats

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Configure and Verify Basic Wireless LAN
Access
 Configure a wireless access point

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Configure and Verify Basic Wireless LAN
Access
 Configure a wireless NIC

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Configure and Troubleshoot Wireless
Client Access
 Describe how to solve access point firmware issues

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Configure and Troubleshoot Wireless
Client Access
 Describe how to solve incorrect channel settings

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Configure and Troubleshoot Wireless
Client Access
 Describe how to solve common RF interference issues

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Configure and Troubleshoot Wireless
Client Access
 Describe how to correct antenna misplacement

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Configure and Troubleshoot Wireless
Client Access
 Describe how to solve the common problems
associated with wireless LAN encryption types

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Configure and Troubleshoot Wireless
Client Access
 Describe how to solve authentication problems
associated with wireless LANs

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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

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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

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