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Can't connect to Wireless N network. #76

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x0a opened this issue Jun 23, 2015 · 2 comments
Closed

Can't connect to Wireless N network. #76

x0a opened this issue Jun 23, 2015 · 2 comments

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@x0a
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x0a commented Jun 23, 2015

Iwconfig shows my bit rate as perpetually stuck at 18 megabits/s. I also can't connect to N-only networks (it will just try to connect indefinitely).

I'm running trusty tahr.
"01:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)"
x0a@hplp:~/rtl8188ce-linux-driver$ iwlist wlan0 bitrate
wlan0 unknown bit-rate information.
Current Bit Rate:18 Mb/s

@x0a
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x0a commented Jun 24, 2015

I've figured it out! The problem isn't the driver, it's the router settings. I hadn't suspected the router because the stock driver connected okay, but that is actually incorrect behavior. Wireless N requires WMM support to be enabled in order to allow speeds greater than 54 mbps. WMM and QoS both contribute to the high throughput of Wireless N, thus a lot of devices will refuse to connect to a network under Wireless N if WMM is disabled. So this is completely normal behavior.

@x0a x0a closed this as completed Jun 24, 2015
@FreedomBen
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Awesome, thank you!

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