D-Link Forums
The Graveyard - Products No Longer Supported => Routers / COVR => DIR-655 => Topic started by: moore.bryan on January 31, 2010, 05:27:58 AM
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I'm running Ubuntu Netbook Remix 9.10 on an Asus EeePC 1005HA, connecting to a DIR-655 wireless router and am having issues getting even a 130M bitrate. I already have the router set to "Auto 20/40," so even though I have an Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express), shouldn't I be getting the 130M? My bitrate rarely gets above 11M; that's just unacceptable. My old Netgear gives me a solid 54M at all times. What am I missing here?
Thanks, in-advance, for any help.
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look in to this:
http://forums.dlink.com/index.php?topic=616.msg2523#msg2523 (http://forums.dlink.com/index.php?topic=616.msg2523#msg2523)
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I spent hours with same issue (although different adapter) the last couple of days. What made it work fine for me in the end
1. Updated adapter driver
2. WPA2/AES encryption
3. Auto channel width (20/20) on router and adapter
4. Enable WMM on router and adapter
5. Ensure QoS enabled on router
This got me to wireless N speed. Big issue then w speed fluctuating and bad QoS which made streaming video over internet not work well. To get to much more stability on speeds, I had to
1. Turn off GI something on router
2. Tweak various adapter settings (highest roaming aggressiveness, ad-hoc power mgmt set to "noisy environment", something with throughout enhancement, etc) - essentially trial and error; change one thing at a time and see what happens. Sure your adapter has different things you can tweak than mine
Good news - it works; bad news - wasted a number of good hours of my life to get it to work..
Good luck
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look in to this:
http://forums.dlink.com/index.php?topic=616.msg2523#msg2523 (http://forums.dlink.com/index.php?topic=616.msg2523#msg2523)
Thanks, hthaddock, that was the first place I went. The router and adapter are not both D-Link products; the router is a D-Link DIR-655 router and the adapter is an Atheros AR9285 Wireless Network Adapter (PCI-Express). I currently have the router locked into the 802.11n only mode, though. I am also using the WPA2-AES cipher, so there shouldn't be a problem there and my channel is set to 20/40 Auto. All of that, save the adapter part, checks-out.
Since I'm running Linux and have no access to a Windows machine, I can't use the D-Link Wireless Utility or Windows Zero Config.
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Thanks for the reply, mco; here are some of my "answers:"
1. Updated adapter driver
Done. Now running the 1.33NA firmware. Funny story there, too. When I just hit the "Update Firmware" button, it told me my old firmware was the most recent; so, I had to that update manually.
2. WPA2/AES encryption
Done. This is actually all I ever used.
3. Auto channel width (20/20) on router and adapter
Did you mean 20/40 auto? 20/20 isn't an option. If the first is what you meant, then done.
4. Enable WMM on router and adapter
Done on the router. Since I'm running Linux, I'm not even quite sure how to enable this on the adapter; looking into it.
5. Ensure QoS enabled on router
Done.
1. Turn off GI something on router
Trying this now. Any idea what "Short GI" really does, any way?
2. Tweak various adapter settings (highest roaming aggressiveness, ad-hoc power mgmt set to "noisy environment", something with throughout enhancement, etc) - essentially trial and error; change one thing at a time and see what happens. Sure your adapter has different things you can tweak than mine
Like I wrote above, I'll have to play around and figure-out how to tweak these things in Linux; I'm sure there's no easy way.
Thanks for the well-wishes and all the help!