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Appendix D Wireless LANs
P-661HNU-Fx User’s Guide
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subsequent WPS connections in which it is involved. If you want a configured AP to
act as an enrollee, you must reset it to its factory defaults.
Example WPS Network Setup
This section shows how security settings are distributed in an example WPS setup.
The following figure shows an example network. In step 1, both AP1 and Client 1
are unconfigured. When WPS is activated on both, they perform the handshake. In
this example, AP1 is the registrar, and Client 1 is the enrollee. The registrar
randomly generates the security information to set up the network, since it is
unconfigured and has no existing information.
Figure 197 WPS: Example Network Step 1
In step 2, you add another wireless client to the network. You know that Client 1
supports registrar mode, but it is better to use AP1 for the WPS handshake with
the new client since you must connect to the access point anyway in order to use
the network. In this case, AP1 must be the registrar, since it is configured (it
already has security information for the network). AP1 supplies the existing
security information to Client 2.
Figure 198 WPS: Example Network Step 2
REGISTRAR ENROLLEE
SECURITY INFO
CLIENT 1
AP1
REGISTRAR
CLIENT 1
AP1
ENROLLEE
CLIENT 2
EXISTING CONNECTION
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