Extreme Networks Summit WM User Manual page 102

Configuring the Altitude AP
Achieving high throughput with the Wireless 802.11n AP
To achieve link rates of up to 300 Mbps with the Wireless 802.11n AP, configure your system as
described in the following section.
NOTE
Maximum throughput cannot be achieved if both 802.11n and legacy client devices are to be supported.
NOTE
Some client devices will choose a 2.4 GHz radio even when a 5 GHz high-speed radio network is available; you may
need to force those client devices to use only 5 GHz if you have configured high throughput only on the 5 GHz
radio.
To achieve high throughput with the Altitude 802.11n AP:
1 From the main menu, click Altitude AP Configuration. The Altitude AP page is displayed.
2 In the Altitude AP list, click the Wireless 802.11n AP you want to configure.
3 Click the 802.11b/g/n tab, and then do the following:
In the Radio Mode drop-down list, click the b/g/n option.
In the Channel Width drop-down list, click 40MHz.
NOTE
Some client devices do not support 40MHz in b/g/n mode. To accommodate these clients, you must enable a/n
mode on the 802.11a/n tab. Otherwise, the client device will connect at only 130Mbps.
In the Guard Interval drop-down list, click Short.
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Summit WM User Guide, Software Version 5.3