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Hey guys, I have an Intel 4965 802.11abgn wireless card.
I have been getting download speeds significantly lower than what I expect and what I get with Windows Vista on the same machine.
For example, with the easylist.com Arch mirror I usually get about around 1mbps on other computers. With this one, I get between 60-200kbps.
This happened in Vista as well, but I fixed the problem by disabling N mode in a device manager. I guess our router doesn't support it. So, my question is this: is there a way for me to disable N mode under Linux? It'd be great to get my regular download speeds back. Thanks!
Last edited by wirenik (2008-12-05 01:39:17)
moljac024: No one really knows what happens inside /dev/null... it could be a gateway to another universe....
dunc: If it is, the people who live there must be getting pretty annoyed by now with all the junk we send them.
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I thought that you can only disable it from the router's end and the wlan card would just use whats best.
I may be wrong though.
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Check the modinfo for your driver - there may be a module option you can use. man modinfo and man modprobe for more info.
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Thanks, tomk. I found this:
parm: 11n_disable:disable 11n functionality (int)
...but I'm not sure what I'm supposed to to do with it. Is it an argument I need to somehow pass to modprobe, or something?
moljac024: No one really knows what happens inside /dev/null... it could be a gateway to another universe....
dunc: If it is, the people who live there must be getting pretty annoyed by now with all the junk we send them.
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Try loading the module with "modprobe module_name that_option=1" (rmmod it first). If it works, add "options module_name that_option=1" to /etc/modprobe.conf to make it permament.
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Try loading the module with "modprobe module_name that_option=1" (rmmod it first). If it works, add "options module_name that_option=1" to /etc/modprobe.conf to make it permament.
I did it!
$ modprobe -r iwlagn
$ modprobe iwlagn 11n_disable=1
Now I get up to nearly 2mbps from easynews, and download speeds everywhere else are soaring too. Thanks a million for the help, everyone!
moljac024: No one really knows what happens inside /dev/null... it could be a gateway to another universe....
dunc: If it is, the people who live there must be getting pretty annoyed by now with all the junk we send them.
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I would actually like to know how to TURN ON the 11n feature using iwlagn (intel 5100 card). It only connects as an 11g to my 11n router.
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