Cisco Cisco AP541N Wireless Access Point 관리 매뉴얼

Configuring the Wireless Distribution System

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Cisco AP 541N Dual-band Single-radio Access Point Quick Start Guide

 describes the additional fields that appear when you select WPA/PSK 

as the encryption type.

To configure WPA-PSK on any WDS link, VAP0 of the selected wireless radio must 
be configured for WPA-PSK or WPA-Enterprise.

After you configure the WDS settings, you must click Apply to apply the changes 
and to save the settings. Changing some settings might cause the access point to 
stop and restart system processes. If this happens, wireless clients will temporarily 
lose connectivity. We recommend that you change access point settings when 
WLAN traffic is low. 

WPA (PSK)

Enter an appropriate name for the new WDS link you have 
created. This SSID should be different from the other SSIDs 
used by this access point. However, it is important that the 
same SSID is also entered at the other end of the WDS link. If 
this SSID is not the same for both access points on the WDS 
link, they will not be able to communicate and exchange data.

The SSID can be any alphanumeric combination.

Enter a unique shared key for the WDS bridge. This unique 
shared key must also be entered for the access point at the 
other end of the WDS link. If this key is not the same for both 
access points, they will not be able to communicate and 
exchange data.

The WPA-PSK key is a string of at least 8 characters to a 
maximum of 63 characters. Acceptable characters include 
upper and lower case alphabetic letters, the numerics, and 
special symbols such as @ and #.