
Psion Teklogix 9160 G2 Wireless Gateway User Manual 185
QUALITY OF SERVICE (QOS) 19
19.1 Understanding QoS..................................187
19.1.1 QoS And Load Balancing............................187
19.1.2 802.11e And WMM Standards Support . . . ..................187
19.1.3 QoS Queues And Parameters To Coordinate Traffic Flow...........188
19.1.3.1 QoS Queues And Type Of Service (ToS) On Packets..........188
19.1.3.2 EDCF Control Of Data Frames And Arbitration Interframe Spaces . .190
19.1.3.3 Random Backoff And Minimum/Maximum Contention Windows . . .191
19.1.3.4 Packet Bursting For Better Performance.................191
19.1.3.5 Transmission Opportunity (TXOP) Interval For Client Stations ....192
19.1.4 802.1p And DSCP Tags .............................192
19.1.4.1 VLAN Priority..............................193
19.1.4.2 DSCP Priority..............................194
19.2 Configuring QoS Queues...............................194
19.2.1 Configuring AP EDCA Parameters.......................196
19.2.2 Enabling/Disabling Wi-Fi Multimedia .....................198
19.2.3 Configuring Station EDCA Parameters.....................198
19.3 Updating Settings...................................200
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