7/27/2019 Ch07_LAN Switching & Wireless

1/21

2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1

Configure a Wireless

Router

LAN Switching and Wireless

Chapter 7

7/27/2019 Ch07_LAN Switching & Wireless

2/21

2006 Cisco Systems, Inc. All rights reserved. Cisco Public 2

Objectives

Describe the components and operations of basicwireless LAN topologies.

Describe the components and operations of basicwireless LAN security.

Configure and verify basic wireless LAN access.

Configure and troubleshoot wireless client access.

7/27/2019 Ch07_LAN Switching & Wireless

3/21

2006 Cisco Systems, Inc. All rights reserved. Cisco Public 3

Explain the Components and Operationsof Basic Wireless LAN Topologies

Describe why wireless LANs are a popular choice forsmall business LAN implementations

7/27/2019 Ch07_LAN Switching & Wireless

4/21

2006 Cisco Systems, Inc. All rights reserved. Cisco Public 4

Explain the Components and Operationsof Basic Wireless LAN Topologies

Describe the 802.11 wireless standards

7/27/2019 Ch07_LAN Switching & Wireless

5/21

2006 Cisco Systems, Inc. All rights reserved. Cisco Public 5

Explain the Components and Operationsof Basic Wireless LAN Topologies

Describe the components of a 802.11-based wirelessinfrastructure

7/27/2019 Ch07_LAN Switching & Wireless

6/21

2006 Cisco Systems, Inc. All rights reserved. Cisco Public 6

Explain the Components and Operationsof Basic Wireless LAN Topologies

Describe how wireless networks operate

7/27/2019 Ch07_LAN Switching & Wireless

7/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 7

Explain the Components and Operationsof Basic Wireless LAN Topologies

Describe how to plan a wireless LAN

7/27/2019 Ch07_LAN Switching & Wireless

8/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 8

Explain the Components and Operationsof Basic Wireless LAN Security

Describe the threats to wireless LAN security

7/27/2019 Ch07_LAN Switching & Wireless

9/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 9

Explain the Components and Operationsof Basic Wireless LAN Security

Describe the wireless protocols. The description willinclude a description of 802.1x, a comparison of WPAand WPA2 as well as comparison of TKIP and AES

7/27/2019 Ch07_LAN Switching & Wireless

10/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 10

Explain the Components and Operationsof Basic Wireless LAN Security

Describe how to secure a wireless LAN from the keysecurity threats

7/27/2019 Ch07_LAN Switching & Wireless

11/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 11

Configure and Verify Basic Wireless LANAccess

Configure a wireless access point

7/27/2019 Ch07_LAN Switching & Wireless

12/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 12

Configure and Verify Basic Wireless LANAccess

Configure a wireless NIC

7/27/2019 Ch07_LAN Switching & Wireless

13/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 13

Configure and Troubleshoot WirelessClient Access

Describe how to solve access point firmware issues

7/27/2019 Ch07_LAN Switching & Wireless

14/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 14

Configure and Troubleshoot WirelessClient Access

Describe how to solve incorrect channel settings

7/27/2019 Ch07_LAN Switching & Wireless

15/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 15

Configure and Troubleshoot WirelessClient Access

Describe how to solve common RF interference issues

7/27/2019 Ch07_LAN Switching & Wireless

16/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 16

Configure and Troubleshoot WirelessClient Access

Describe how to correct antenna misplacement

7/27/2019 Ch07_LAN Switching & Wireless

17/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 17

Configure and Troubleshoot WirelessClient Access

Describe how to solve the common problemsassociated with wireless LAN encryption types

7/27/2019 Ch07_LAN Switching & Wireless

18/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 18

Configure and Troubleshoot WirelessClient Access

Describe how to solve authentication problemsassociated with wireless LANs

7/27/2019 Ch07_LAN Switching & Wireless

19/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 19

Summary

Wireless LANs use standards such asIEEE 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

7/27/2019 Ch07_LAN Switching & Wireless

20/21 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 20

Summary

WLAN security practices/methods include

MAC address filteringSSID 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

7/27/2019 Ch07_LAN Switching & Wireless

21/21