© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE I Chapter 6 1 Configure a Wireless Router Basic Wireless Concepts & Configuration Chapter 7 Modified by Pete Brierley
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 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 PublicITE 1 Chapter 6 3
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 4
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter based wireless infrastructure
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 6 How wireless networks operate
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 7
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 8 Threats to wireless LAN security
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 9 Light weight Extensible Authentication Protocol LEAP Remote Authentication Dial-In User Service (RADIUS)
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 10
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 11
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 12 Configure a wireless NIC
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 13 How to solve access point firmware issues
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 14 How to solve access point firmware issues
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 15
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 16 Extended Service Set (ESS)
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 17
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 18
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 19
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 20 Summary Wireless LANs use standards such as IEEE a IEEE b IEEE g IEEE n Basic Service set –Mobile clients use a single access point for connectivity Extended service set –Multiple access point that share an SSID
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 21 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
© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 22 END Configuring a Wireless Router Chapter 7