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The following figure shows a WPS-enabled wireless client (installed in a notebook computer)
connecting to the WPS-enabled AP via the PIN method.
Figure 37 Example WPS Process: PIN Method
ENROLLEE
7.8.8.3 How WPS Works
When two WPS-enabled devices connect, each device must assume a specific role. One device acts
as the registrar (the device that supplies network and security settings) and the other device acts
as the enrollee (the device that receives network and security settings. The registrar creates a
secure EAP (Extensible Authentication Protocol) tunnel and sends the network name (SSID) and the
WPA-PSK or WPA2-PSK pre-shared key to the enrollee. Whether WPA-PSK or WPA2-PSK is used
depends on the standards supported by the devices. If the registrar is already part of a network, it
sends the existing information. If not, it generates the SSID and WPA(2)-PSK randomly.
VMG5313-B10A/-B30A Series User's Guide
WPS
This device's
WPS PIN:
123456
WPS
Enter WPS PIN
from other device:
WPS
START
START
WITHIN 2 MINUTES
SECURE EAP TUNNEL
SSID
WPA(2)-PSK
COMMUNICATION
REGISTRAR
WPS
Chapter 7 Wireless
107
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