Netgear WG511U WG511U User Manual - Page 60

User's Manual for the NETGEAR Double 108 Mbps Wireless PC Card 32-bit CardBus WG511U 802.11 Authentication Open System Steps 1) Authentication request sent to AP 2) AP authenticates Client attempting to connect 3) Client connects to network Access Point (AP) Cable/DSL ProSafe Wireless VPN Security Firewall PWR TEST IN TER N ET LNK W LA N LO CA L MODEL FVM318 100 ACT Enable LNK/ACT 1 2 3 4 5 6 7 8 Cable or DLS modem 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 Shared Key Steps 1) Authentication request sent to AP 2) AP sends challenge text Client 3) Client encrypts attempting challenge text and to connect sends it back to AP Access Point (AP) Cable/DSL ProSafe Wireless VPN Security Firewall PWR TEST IN TER N ET LNK W LA N LO CA L MODEL FVM318 100 ACT Enable LNK/ACT 1 2 3 4 5 6 7 8 Cable or DLS modem 4) AP decrypts, and if correct, authenticates client 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 Wireless Networking Basics August 2004