Allied-telesis AT-WA7400/EU Instrukcja Użytkownika Strona 5

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AT+WA7400 Management Software User’s Guide
5
When to Use IEEE 802.1x ...................................................................................................................................106
When to Use WPA/WPA2 Personal (PSK) ..........................................................................................................108
When to Use WPA/WPA2 Enterprise (RADIUS)..................................................................................................109
Does Prohibiting the Broadcast SSID Enhance Security? ..........................................................................................111
How Does Station Isolation Protect the Network?.......................................................................................................111
Configuring Security Settings .............................................................................................................................................112
Broadcast SSID, Station Isolation, and Security Mode ...............................................................................................112
Plain Text ....................................................................................................................................................................113
Guest Network .....................................................................................................................................................114
Static WEP ..................................................................................................................................................................114
Rules to Remember for Static WEP.....................................................................................................................117
Example of Using Static WEP..............................................................................................................................117
Static WEP with Transfer Key Indexes on Client Stations ........................................................................... 118
IEEE 802.1x ................................................................................................................................................................119
WPA/WPA2 Personal (PSK) .......................................................................................................................................121
WPA/WPA2 Enterprise (RADIUS)...............................................................................................................................123
Configuring the IAPP Mapping Table .................................................................................................................................127
Configuring SNMP..............................................................................................................................................................129
Chapter 11: Setting Up Guest Access ...........................................................................................................................131
Understanding the Guest Interface.....................................................................................................................................132
Configuring the Guest Interface................................................................................................
..........................................133
Configuring a Guest Network on a Virtual LAN ...........................................................................................................133
Configuring the Welcome Screen (Captive Portal)......................................................................................................134
Using the Guest Network as a Client..................................................................................................................................135
Chapter 12: VLANs ..........................................................................................................................................................137
Configuring VLANs .............................................................................................................................................................138
Configuring the Management VLAN ...................................................................................................................................141
Chapter 13: Configuring Radio Settings .......................................................................................................................143
Understanding Radio Settings............................................................................................................................................144
Configuring Radio Settings.................................................................................................................................................145
Configuring the Rate Sets ..................................................................................................................................................150
Chapter 14: Load Balancing ...........................................................................................................................................153
Understanding Load Balancing ..........................................................................................................................................154
Identifying the Imbalance: Overworked or Under-utilized Access Points ....................................................................154
Specifying Limits for Utilization and Client Associations .............................................................................................154
Load Balancing and QoS ............................................................................................................................................154
Configuring Load Balancing ...............................................................................................................................................155
Chapter 15: Configuring Quality of Service (QoS) .......................................................................................................159
Understanding QoS ............................................................................................................................................................160
QoS and Load Balancing ............................................................................................................................................160
802.11e and WMM Standards Support .......................................................................................................................160
QoS Queues and Parameters to Coordinate Traffic Flow ...........................................................................................160
QoS Queues and Type of Service (ToS) on Packets...........................................................................................161
EDCF Control of Data Frames and Arbitration Interframe Spaces ......................................................................162
Random Backoff and Minimum / Maximum Contention Windows........................................................................163
Packet Bursting for Better Performance...............................................................................................................164
Transmission Opportunity (TXOP) Interval for Client Stations ...................................................................
..........164
Configuring QoS Queues ...................................................................................................................................................165
Configuring AP EDCA Parameters..............................................................................................................................166
Enabling/Disabling Wi-Fi Multimedia...........................................................................................................................168
Configuring Station EDCA Parameters .......................................................................................................................169
Chapter 16: Configuring the Wireless Distribution System (WDS) .............................................................................171
Understanding the Wireless Distribution System................................................................................................................172
Using WDS to Bridge Distant Wired LANs ..................................................................................................................172
Using WDS to Extend the Network Beyond the Wired Coverage Area.......................................................................172
Backup Links and Unwanted Loops in WDS Bridges..................................................................................................173
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