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Configure a Wireless Router © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public ITE I Chapter 6 1 LAN Switching and Wireless – Chapter 7

Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

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Page 1: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

Configure a Wireless Router

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE I Chapter 6 1

Router

LAN Switching and Wireless – Chapter 7

Page 2: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

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.

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 2

� Configure and verify basic wireless LAN access.

� Configure and troubleshoot wireless client access.

Page 3: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

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 PublicITE 1 Chapter 6 3

Page 4: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

Explain the Components and Operations of Basic Wireless LAN Topologies

� Describe the 802.11 wireless standards

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 4

Page 5: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

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 PublicITE 1 Chapter 6 5

Page 6: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

Explain the Components and Operations of Basic Wireless LAN Topologies

� Describe how wireless networks operate

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 6

Page 7: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

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 PublicITE 1 Chapter 6 7

Page 8: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

Explain the Components and Operations of Basic Wireless LAN Security

� Describe the threats to wireless LAN security

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 8

Page 9: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

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

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 9

Page 10: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

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 PublicITE 1 Chapter 6 10

Page 11: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

Configure and Verify Basic Wireless LAN Access

� Configure a wireless access point

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 11

Page 12: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

Configure and Verify Basic Wireless LAN Access

� Configure a wireless NIC

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 12

Page 13: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

Configure and Troubleshoot Wireless Client Access

� Describe how to solve access point firmware issues

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 13

Page 14: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

Configure and Troubleshoot Wireless Client Access

� Describe how to solve incorrect channel settings

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 14

Page 15: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

Configure and Troubleshoot Wireless Client Access

� Describe how to solve common RF interference issues

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 15

Page 16: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

Configure and Troubleshoot Wireless Client Access

� Describe how to correct antenna misplacement

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 16

Page 17: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

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 PublicITE 1 Chapter 6 17

Page 18: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

Configure and Troubleshoot Wireless Client Access

� Describe how to solve authentication problems associated with wireless LANs

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 18

Page 19: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

Summary

� Wireless LANs use standards such as

IEEE 802.11a

IEEE 802.11b

IEEE 802.11g

IEEE 802.11n

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 19

� Basic Service set

–Mobile clients use a single access point for connectivity

� Extended service set

–Multiple access point that share an SSID

Page 20: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

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

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 20

–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

Page 21: Configure a Wireless Router - Leaman · 2009-03-20 · Configure a Wireless Router ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 LAN Switching and

© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 21