LTE TDD B2268H
User Guide
Copyright © Huawei Technologies Co., Ltd.
Figure 5-14 Example WPS Process: PIN Method
5.7.5.3 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.
The following figure shows a WPS-enabled client (installed in a notebook computer)
connecting to a WPS-enabled access point.
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