NETGEAR WPN111 User Manual page 54

User Manual for the NETGEAR RangeMax™ Wireless USB 2.0 Adapter WPN111
1) Authentication request sent to AP
3) Client connects to network
Figure B-2: 802.11 open system authentication
The following steps occur when two devices use Open System Authentication:
1. The station sends an authentication request to the access point.
2. The access point authenticates the station.
3. The station associates with the access point and joins the network.
The WEP Shared Key authentication process is illustrated in below.
802.11 Authentication
1) Authentication
request sent to AP
3) Client encrypts
challenge text and
sends it back to AP
5) Client connects to network
Figure B-3: 802.11 shared key authentication
The following steps occur when two devices use Shared Key Authentication:
1. The station sends an authentication request to the access point.
B -8
802.11 Authentication
Open System Steps
2) AP authenticates
Shared Key Steps
2) AP sends challenge text
4) AP decrypts, and if correct,
authenticates client
202-10076-01
MODEL FVM318
IN TER N ET W LA N LO CA L
Cable/DSL ProSafeWirelessVPN Security Firewall
PWR TEST
Cable or
DLS modem
MODEL FVM318
IN TER N ET W LA N LO CA L
Cable/DSL ProSafeWirelessVPN Security Firewall
PWR TEST
Cable or
DLS modem
W ireless N etworkin g B a sics