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98
eir F1000 Modem U
ser’s Guide
Chapter 5 Wireless
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 50
Example WPS Process: PIN Method
ENROLLEE
REGISTRAR
WPS
This device
’s
WPS PIN: 123456
Enter WPS PIN
WPS
from other device:
WPS WPS
START START
WITHIN 2 MINUTES
SECURE EAP TUNNEL
SSID
WPA(2)-PSK
5.10.9.3 How WPS Works
COMMUNICATION
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.