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5-22

Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide

OL-4211-05

Chapter 5 Configuring the Client Adapter

Setting Security Parameters

Synchronizing Security Features

In order to use any of the security features discussed in this section, both your client adapter and the

access point to which it will associate must be set appropriately. Table 5-4 indicates the client and access

point settings required for each security feature. This chapter provides specific instructions for enabling

the security features on your client adapter. Refer to the documentation for your access point for

instructions on enabling any of these features on the access point.

Table 5-4 Client and Access Point Security Settings

Security Feature Client Setting Access Point Setting

Static WEP with open

authentication

Choose Open authentication and

Pre-Shared Key (Static WEP) and

create a WEP key

Set up and enable WEP and enable

Open Authentication for the SSID

Static WEP with shared key

authentication

Choose Shared authentication and

Pre-Shared Key (Static WEP) and

create a WEP key

Set up and enable WEP and enable

Shared Key Authentication for the

SSID

WPA or WPA2 passphrase

(or WPA or WPA2

pre-shared key)

Choose WPA/WPA2 Passphrase

and enter the passphrase

Choose a cipher suite, enable Open

Authentication and WPA for the

SSID, and enter a WPA pre-shared

key

Note To allow both WPA and

non-WPA clients to use the

SSID, enable optional

WPA.

LEAP authentication Choose 802.1x and LEAP; then set

LEAP settings

Set up and enable WEP and enable

Network-EAP Authentication for

the SSID

LEAP authentication with

WPA or WPA2

Choose WPA/WPA2/CCKM and

LEAP; then set LEAP settings

For WPA, choose a cipher suite that

includes TKIP and enable

Network-EAP and Open with EAP

Authentication and WPA for the

SSID

For WPA2, choose a cipher suite

that includes AES-CCMP and

enable Network-EAP and Open

with EAP Authentication and WPA

for the SSID

Note To allow both WPA and

non-WPA clients to use the

SSID, enable optional

WPA.