Allied Telesis AT-WA7400/EU - Manual (Page 5)

AT+WA7400 Management Software User’s Guide
5
When to Use WPA/WPA2 Personal (PSK) ..........................................................................................................110
When to Use WPA/WPA2 Enterprise (RADIUS)..................................................................................................111
Does Prohibiting the Broadcast SSID Enhance Security? ..........................................................................................113
How Does Station Isolation Protect the Network?.......................................................................................................113
Configuring Security Settings .............................................................................................................................................114
Broadcast SSID, Station Isolation, and Security Mode ...............................................................................................114
Plain Text ....................................................................................................................................................................115
Guest Network .....................................................................................................................................................116
Static WEP ..................................................................................................................................................................116
Rules to Remember for Static WEP .....................................................................................................................119
Example of Using Static WEP..............................................................................................................................119
Static WEP with Transfer Key Indexes on Client Stations ........................................................................... 120
IEEE 802.1x ................................................................................................................................................................121
WPA/WPA2 Personal (PSK) .......................................................................................................................................123
WPA/WPA2 Enterprise (RADIUS)...............................................................................................................................125
Configuring the IAPP Mapping Table .................................................................................................................................129
Configuring SNMP ..............................................................................................................................................................131
Chapter 11: Setting Up Guest Access ...........................................................................................................................133
Understanding the Guest Interface.....................................................................................................................................134
Configuring the Guest Interface..........................................................................................................................................135
Configuring a Guest Network on a Virtual LAN ...........................................................................................................135
Configuring the Welcome Screen (Captive Portal)......................................................................................................136
Using the Guest Network as a Client..................................................................................................................................137
Chapter 12: VLANs ..........................................................................................................................................................139
Configuring VLANs .............................................................................................................................................................140
Configuring the Management VLAN...................................................................................................................................143
Chapter 13: Configuring Radio Settings .......................................................................................................................145
Understanding Radio Settings............................................................................................................................................146
Configuring Radio Settings.................................................................................................................................................147
Configuring the Rate Sets ..................................................................................................................................................152
Chapter 14: Load Balancing ...........................................................................................................................................155
Understanding Load Balancing ..........................................................................................................................................156
Identifying the Imbalance: Overworked or Under-utilized Access Points ....................................................................156
Specifying Limits for Utilization and Client Associations .............................................................................................156
Load Balancing and QoS ............................................................................................................................................156
Configuring Load Balancing ...............................................................................................................................................157
Chapter 15: Configuring Quality of Service (QoS) .......................................................................................................161
Understanding QoS ............................................................................................................................................................162
QoS and Load Balancing ............................................................................................................................................162
802.11e and WMM Standards Support .......................................................................................................................162
QoS Queues and Parameters to Coordinate Traffic Flow ...........................................................................................162
QoS Queues and Type of Service (ToS) on Packets...........................................................................................163
EDCF Control of Data Frames and Arbitration Interframe Spaces ......................................................................164
Random Backoff and Minimum / Maximum Contention Windows........................................................................165
Packet Bursting for Better Performance...............................................................................................................166
Transmission Opportunity (TXOP) Interval for Client Stations .............................................................................166
Configuring QoS Queues ...................................................................................................................................................167
Configuring AP EDCA Parameters..............................................................................................................................168
Enabling/Disabling Wi-Fi Multimedia...........................................................................................................................170
Configuring Station EDCA Parameters .......................................................................................................................171
Chapter 16: Configuring the Wireless Distribution System (WDS) .............................................................................173
Understanding the Wireless Distribution System................................................................................................................174
Using WDS to Bridge Distant Wired LANs ..................................................................................................................174
Using WDS to Extend the Network Beyond the Wired Coverage Area.......................................................................174
Backup Links and Unwanted Loops in WDS Bridges..................................................................................................175
Security Considerations Related to WDS Bridges.......................................................................................................175