802.11Authentication Open System Steps

1)Authentication request sent to AP

2) AP authenticates

3) Client connects to network

Client attempting to connect

Access Point (AP)

FVM318

Cable or

DLS modem

1.

2.The

3.

The station uses

and

 

sends the encrypted

 

4.

The access point decrypts the

 

 

to the station’s default key. The

 

 

challenge text. If the decrypted text matches

point

 

and the station share the same WEP Key and the

 

5.The station connects to the network.

If the decrypted text does not match the original challenge text (i.e., the a

do

not share the same WEP Key), then the access point will refuse to authenticate

the

station will be unable to communicate with either the 802.11 network or Ethernet

 

This process is illustrated in below.

 

B-4

Wireless Networking Basics

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NETGEAR WG121 user manual Authentication Open System Steps