fyrbrds@netscape.net wrote:
> Anyone know how to tweak 802.11-N adapters for max speed? Can Ubuntu
> handle the standard? Are there tools available?
>
> John

Does not that depend on the access point/router? If the AP does not
support/enable 40Mhz channels then you won't get 300Mbits no matter what
you do on your box.


Another thing is also your location. Depending on where you are in the
world, you get a different list of channels available on the 2.4Ghz and
5.x Ghz radio bands.

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All true. But when you dual boot a box and you get 300 Mb/s on Windows and 100 Kb/s on Ubuntu, none of that matters. Something is wrong with the config. I only need to know what tools are available to tweak the config. Wifi signal levels, channel numbers, etc. are irrelevant. The router can do 300 Mb/s on several n devices including this one. It just can't do it with Ubuntu so far. I need help from someone who knows tools that allow more than the basic of just typing your WPA key and then crossing your fingers, which is essentially what I have done.



John










-----Original Message-----

From: Christopher Chan <christopher.chan@bradbury.edu.hk>

To: ubuntu-users@lists.ubuntu.com

Sent: Mon, Nov 2, 2009 1:07 am

Subject: Re: 802.11-N Howto











fyrbrds@netscape.net wrote:

> Anyone know how to tweak 802.11-N adapters for max speed? Can Ubuntu

> handle the standard? Are there tools available?

>

> John



Does not that depend on the access point/router? If the AP does not

support/enable 40Mhz channels then you won't get 300Mbits no matter what

you do on your box.





Another thing is also your location. Depending on where you are in the

world, you get a different list of channels available on the 2.4Ghz and

5.x Ghz radio bands.



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fyrbrds@netscape.net wrote:
> All true. But when you dual boot a box and you get 300 Mb/s on Windows
> and 100 Kb/s on Ubuntu, none of that matters. Something is wrong with
> the config. I only need to know what tools are available to tweak the
> config. Wifi signal levels, channel numbers, etc. are irrelevant. The
> router can do 300 Mb/s on several n devices including this one. It
> just can't do it with Ubuntu so far. I need help from someone who
> knows tools that allow more than the basic of just typing your WPA key
> and then crossing your fingers, which is essentially what I have done.

Please do not top post. It is alright for me since I am the sole replier
at the moment but it might throw others off the track. Any tweaking will
have to be done at the driver level I suspect. On Windows, I'd have to
go into the driver's settings for Location and other stuff. In other
words, I think this is going to be specific for each chipset. So you
will have to start by letting us know what you've got before we can even
try to figure it out.
>
> John
>
>
> -----Original Message-----
> From: Christopher Chan <christopher.chan@bradbury.edu.hk>
> To: ubuntu-users@lists.ubuntu.com
> Sent: Mon, Nov 2, 2009 1:07 am
> Subject: Re: 802.11-N Howto
>
> fyrbrds@netscape.net <mailto:fyrbrds@netscape.net> wrote:
>
> > Anyone know how to tweak 802.11-N adapters for max speed? Can Ubuntu
>
> > handle the standard? Are there tools available?
>
> >
>
> > John
>
>
>
> Does not that depend on the access point/router? If the AP does not
>
> support/enable 40Mhz channels then you won't get 300Mbits no matter what
>
> you do on your box.
>
>
>
>
>
> Another thing is also your location. Depending on where you are in the
>
> world, you get a different list of channels available on the 2.4Ghz and
>
> 5.x Ghz radio bands.
>
>
>
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-----Original Message-----

From: Christopher Chan <christopher.chan@bradbury.edu.hk>

To: ubuntu-users@lists.ubuntu.com

Sent: Mon, Nov 2, 2009 1:51 am

Subject: Re: 802.11-N Howto











fyrbrds@netscape.net wrote:

> All true. But when you dual boot a box and you get 300 Mb/s on Windows

> and 100 Kb/s on Ubuntu, none of that matters. Something is wrong with

> the config. I only need to know what tools are available to tweak the

> config. Wifi signal levels, channel numbers, etc. are irrelevant. The

> router can do 300 Mb/s on several n devices including this one. It

> just can't do it with Ubuntu so far. I need help from someone who

> knows tools that allow more than the basic of just typing your WPA key

> and then crossing your fingers, which is essentially what I have done.



Please do not top post. It is alright for me since I am the sole replier

at the moment but it might throw others off the track. Any tweaking will

have to be done at the driver level I suspect. On Windows, I'd have to

go into the driver's settings for Location and other stuff. In other

words, I think this is going to be specific for each chipset. So you

will have to start by letting us know what you've got before we can even

try to figure it out.

>

> John

>

>

> -----Original Message-----

> From: Christopher Chan <christopher.chan@bradbury.edu.hk>

> To: ubuntu-users@lists.ubuntu.com

> Sent: Mon, Nov 2, 2009 1:07 am

> Subject: Re: 802.11-N Howto

>

> fyrbrds@netscape.net <mailto:fyrbrds@netscape.net> wrote:

>

> > Anyone know how to tweak 802.11-N adapters for max speed? Can Ubuntu

<snip>

>



Ok, here are the details:

The nic in this computer is a DWA-556 Xtreme N PCI Express Desktop Adapter

the output of lspci -v | less is:

03:00.0 Network controller: Atheros Communications Inc. AR5008 Wireless Network Adapter (rev 01)

Subsystem: D-Link System Inc Device 3a70

Flags: bus master, fast devsel, latency 0, IRQ 16

Memory at cfdf0000 (64-bit, non-prefetchable) [size=64K]

Capabilities: <access denied>

Kernel driver in use: ath9k

Kernel modules: ath9k



If memory serves, this is the same kernel module (by name) that I used during my last Linux install (SuSE). I did not have this problem then but then I did not use it that often.



Are there not gui tools for configuring the connection parameters 802.11 b/g/n, WPA/WPA2, TKIP/AES without having to make changes at the driver level?

I would like to try to force 802.11-n/WPA2/AES. Why someone would make a tool that says WPA/WPA2 as if the two are synonymous is beyond me. Those are two standards have very important distinctions.



Regards,



John

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>
> Ok, here are the details:

Ouch, nevermind the part about not top posting. Your mailer messes
things up so bad you better just top post or change your mua.

>
> The nic in this computer is a DWA-556 Xtreme N PCI Express Desktop Adapter
>
> the output of lspci -v | less is:
>
> 03:00.0 Network controller: Atheros Communications Inc. AR5008 Wireless Network Adapter (rev 01)
>
> Subsystem: D-Link System Inc Device 3a70
>
> Flags: bus master, fast devsel, latency 0, IRQ 16
>
> Memory at cfdf0000 (64-bit, non-prefetchable) [size=64K]
>
> Capabilities: <access denied>
>
> Kernel driver in use: ath9k
>
> Kernel modules: ath9k
>
>
>
> If memory serves, this is the same kernel module (by name) that I used during my last Linux install (SuSE). I did not have this problem then but then I did not use it that often.
>
>
>
> Are there not gui tools for configuring the connection parameters 802.11 b/g/n, WPA/WPA2, TKIP/AES without having to make changes at the driver level?
>
> I would like to try to force 802.11-n/WPA2/AES. Why someone would make a tool that says WPA/WPA2 as if the two are synonymous is beyond me. Those are two standards have very important distinctions.
>
>
I would not call setting that stuff tweaking...I thought you had other
issues. I shall let others step in now.

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You wouldn't call that tweaking? What difference does that make? Do you know tools that do this or not? Why can't anyone just answer that question?










-----Original Message-----

From: Christopher Chan <christopher.chan@bradbury.edu.hk>

To: ubuntu-users@lists.ubuntu.com

Sent: Mon, Nov 2, 2009 3:22 am

Subject: Re: 802.11-N Howto













>

> Ok, here are the details:



Ouch, nevermind the part about not top posting. Your mailer messes

things up so bad you better just top post or change your mua.



>

> The nic in this computer is a DWA-556 Xtreme N PCI Express Desktop Adapter

>

> the output of lspci -v | less is:

>

> 03:00.0 Network controller: Atheros Communications Inc. AR5008 Wireless

Network Adapter (rev 01)

>

> Subsystem: D-Link System Inc Device 3a70

>

> Flags: bus master, fast devsel, latency 0, IRQ 16

>

> Memory at cfdf0000 (64-bit, non-prefetchable) [size=64K]

>

> Capabilities: <access denied>

>

> Kernel driver in use: ath9k

>

> Kernel modules: ath9k

>

>

>

> If memory serves, this is the same kernel module (by name) that I used during

my last Linux install (SuSE). I did not have this problem then but then I did

not use it that often.

>

>

>

> Are there not gui tools for configuring the connection parameters 802.11

b/g/n, WPA/WPA2, TKIP/AES without having to make changes at the driver level?

>

> I would like to try to force 802.11-n/WPA2/AES. Why someone would make a tool

that says WPA/WPA2 as if the two are synonymous is beyond me. Those are two

standards have very important distinctions.

>

>

I would not call setting that stuff tweaking...I thought you had other

issues. I shall let others step in now.



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fyrbrds@netscape.net wrote:
> You wouldn't call that tweaking? What difference does that make? Do you know tools that do this or not? Why can't anyone just answer that question?
>
>
>

Those are standard settings for any wireless connection...if the tools
don't offer that....what can I say?
>> Are there not gui tools for configuring the connection parameters 802.11
>>
> b/g/n, WPA/WPA2, TKIP/AES without having to make changes at the driver level?
>
>> I would like to try to force 802.11-n/WPA2/AES. Why someone would make a tool
>>
> that says WPA/WPA2 as if the two are synonymous is beyond me. Those are two
> standards have very important distinctions.
>
>>
> I would not call setting that stuff tweaking...I thought you had other
> issues. I shall let others step in now.
>
>


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-----Original Message-----
From: Chan Chung Hang Christopher <christopher.chan@bradbury.edu.hk>
Sent: Mon, Nov 2, 2009 1:03 pm
Subject: Re: 802.11-N Howto


fyrbrds@netscape.net wrote:
> You wouldn't call that tweaking? What difference does that make? Do
you know
tools that do this or not? Why can't anyone just answer that question?
>
>
>

Those are standard settings for any wireless connection...if the tools
don't offer that....what can I say?
>> Are there not gui tools for configuring the connection parameters
802.11

>

I think you are confusing standards with abstractions for bundled
standards. 802.11 b, g, & n are all standards but there is no option to
choose either in Ubuntu. WPA & WPA2 are standards. The inability to
choose between them is NOT a standard. In Ubuntu, all the "standard
settings" are lumped together in simplistic drop boxes but other tools
exist that let you select what type of encryption you will use and what
wifi connection standard. The tools that Ubuntu uses as standard are
tools my grandmother might like because they have few if any options.
But what about those of us that know what settings we need? what about
cases where the simple tools don't work properly because they select
the wrong standard to use? Ubuntu clearly decided to keep it simple and
that's fine, but what tools have they removed that might be helpful
here? My hope is that someone on this list has some experience changing
these kinds of settings on a more granular level than is possible for
these 3rd grade level tools.

I am not even sure that 802.11-N is supported in Linux. If someone
said, "I understand how you feel but most stock kernel drivers for wifi
cards do not support the wifi-n standard yet," that would be helpful.
Or, "those tools are not normally used in Ubuntu but you can download
them here," that would be helpful. Is anyone getting N speed with
Ubuntu?


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On Mon, Nov 2, 2009 at 12:34 AM, <fyrbrds@netscape.net> wrote:
> Anyone know how to tweak 802.11-N adapters for max speed? Can Ubuntu handle
> the standard? Are there tools available?
>
> John

Hi John

I dont own a 802.11N card, I am still stuck at "b"...

However I did a bit of googling and was wondering if you tried what
they suggest here?

http://ubuntuforums.org/showthread.php?t=1268152


>
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On Mon, Nov 2, 2009 at 6:30 PM, John Scott <fyrbrds@aim.com> wrote:

-----Original Message-----

From: Chan Chung Hang Christopher <christopher.chan@bradbury.edu.hk>

Sent: Mon, Nov 2, 2009 1:03 pm

Subject: Re: 802.11-N Howto





fyrbrds@netscape.net wrote:

> *You wouldn't call that tweaking? What difference does that make? Do

you know

tools that do this or not? Why can't anyone just answer that question?

>

>

>



Those are standard settings for any wireless connection...if the tools

don't offer that....what can I say?

>> Are there not gui tools for configuring the connection parameters

802.11



>



I think you are confusing standards with abstractions for bundled

standards. 802.11 b, g, & n are all standards but there is no option to

choose either in Ubuntu. *WPA & WPA2 are standards. The inability to

choose between them is NOT a standard. *In Ubuntu, all the "standard

settings" are lumped together in simplistic drop boxes but other tools

exist that let you select what type of encryption you will use and what

wifi connection standard. * The tools that Ubuntu uses as standard are

tools my grandmother might like because they have few if any options.

But what about those of us that know what settings we need? what about

cases where the simple tools don't work properly because they select

the wrong standard to use? Ubuntu clearly decided to keep it simple and

that's fine, but what tools have they removed that might be helpful

here? My hope is that someone on this list has some experience changing

these kinds of settings on a more granular level than is possible for

these 3rd grade level tools.



I am not even sure that 802.11-N is supported in Linux. If someone

said, "I understand how you feel but most stock kernel drivers for wifi

cards do not support the wifi-n standard yet," that would be helpful.

Or, "those tools are not normally used in Ubuntu but you can download

them here," that would be helpful. Is anyone getting N speed with

Ubuntu?



802.11 N IS supported on Linux. I have an Intel Wifi chipset which requires the iwl4965 driver. It's in "abgn" mode by default.



I'm pretty sure than ath9K has 802.11n support.


I don't know of specific GUI tools for configuring the driver, but traditionally, the madwifi driver was controlled by the wireless tools like iwconfig , iwlist, etc. and hostapd.



So , you might want to try the following commands :
sudo iwlist wllan0 modulation

This might show you if "11n" is selected. If not , try,

sudo iwconfig wlan0 modulation 11n


Substitute the above commands with "ath0" if that is your wifi interface.



Also, I'm just guessing those are the above commands since I don;t have a Atheros chipset.


Thanks,
Raseel
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