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Psion Teklogix 9160 G2 Wireless Gateway User Manual 181
QUALITY OF S ERVICE (QOS) 19
19.1 Understanding QoS.............................183
19.1.1 QoS And Load Balancing.....................183
19.1.2 802.11e And WMM Standards Support . . . . . . . . . . . . . .183
19.1.3 QoS Queues And Parameters To Coordinate Traffic Flow . . . .184
19.1.3.1 QoS Queues And Type Of Service (ToS) On Packets . .184
19.1.3.2 EDCF Control Of Data Frames And Arbitration Interframe
Spaces...........................186
19.1.3.3 Random Backoff And Minimum/Maximum Contention
Windows.........................187
19.1.3.4 Packet Bursting For Better Performance . . . . . . . . .188
19.1.3.5 Transmission Opportunity (TXOP) Interval For Client Sta-
tions............................188
19.1.4 802.1p And DSCP Tags . . . . . . . . . . . . . . . . . . . . . .188
19.1.4.1 VLAN Priority ......................190
19.1.4.2 DSCP Priority.......................190
19.2 Configuring QoS Queues..........................191
19.2.1 Configuring AP EDCA Parameters . . . . . . . . . . . . . . . .192
19.2.2 Enabling/Disabling Wi-Fi Multimedia...............193
19.2.3 Configuring Station EDCA Parameters..............194
19.3 Updating Settings..............................195