iwconfig Bit Rate for 802.11n 40Mhz
Mohammed Shafi
shafi.ath9k at gmail.com
Wed Apr 6 03:06:28 EDT 2011
On Wed, Apr 6, 2011 at 10:44 AM, Curtis Larsen <curtlarsen at gmail.com> wrote:
> Hello,
>
> I am using wpa_supplicant 0.7.1, ubuntu 10.04, Atheros AR9280.
>
> When I connect to an 802.11n *20mhz* (channel 36) SSID and do
> "iwconfig" I get the following output:
>
> wlan2 IEEE 802.11abgn ESSID:"WIFI"
> Mode:Managed Frequency:5.18 GHz Access Point: 00:26:CB:90:7B:B0
> Bit Rate=156 Mb/s Tx-Power=30 dBm
> Retry long limit:7 RTS thr:off Fragment thr:off
> Power Management:on
> Link Quality=49/70 Signal level=-61 dBm
> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
> Tx excessive retries:0 Invalid misc:0 Missed beacon:0
>
> When I connect to an 802.11n *40mhz* (Channel 36+40) network and do
> "iwconfig" I get the following output:
>
> wlan2 IEEE 802.11abgn ESSID:"WIFI"
> Mode:Managed Frequency:5.18 GHz Access Point: 00:26:CB:90:7B:B0
> Bit Rate=0 kb/s Tx-Power=30 dBm
> Retry long limit:7 RTS thr:off Fragment thr:off
> Power Management:on
> Link Quality=46/70 Signal level=-64 dBm
> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
> Tx excessive retries:0 Invalid misc:0 Missed beacon:0
>
> ...The Bit Rate is always "0 kb/s". How can I get iwconfig (or
> perhaps another linux CLI tool) to display the correct Bit Rate when
> using 40Mhz wide channels?
Please try the following
*iw dev wlan2 link (does txbitrate shows some value)
*please install the latest compat wireless
*ping the AP and compare the output of iwconfig and iw dev wlan2 link
>
> Thanks,
>
> Curtis
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