WAN Problem on WHR-G300N (Build 12966) /w Intel Chipsets

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DjDuffy
DD-WRT Novice


Joined: 29 Sep 2009
Posts: 2

PostPosted: Mon Oct 05, 2009 6:12    Post subject: WAN Problem on WHR-G300N (Build 12966) /w Intel Chipsets Reply with quote
Hello,
since over 2 years i'm using a Asus WL-500gP with DD-WRT without Problems.

Last week a brought a Buffalo WHR-G300N to have more WLAN-Speed

I´ve installed BS 12966 on it.
First it went fine (1-2h), but after a while the WAN (Internetspeed) over WLAN is very very slow.
a normal website is loaded in 4-5min.
This issue is only on WLAN. On LAN i got a normal downstream (about 1MB/s). So it's not a problem with my ISP.

The strange thing of it is, when the WAN over WLAN is slow and i am downloading something over WLAN <-> LAN i got 9-10MB/s. Which is very fast.

Reboot of Router or Laptops has no effects.
After a while the WAN-Speed gets normal.

I hope you can understand my issue.

I`ve got 3 machines:
1x DELL XPS Laptop (N - IntelWiFi 4965AGN), newest Driver, Windows 7, with WAN Problems
1x Samsung Laptop (G - Intel Wireless 3945ABG), newest Driver, Windows 7, with WAN Problems
1x Media PC (1000MBit Intel LAN), Windows XP SP3, without WAN Problems

I didn`t configured a lot (only PPoE for ADSL and WLAN WPA2-AES).

I Hope you can help me.

Thanks for the great work!!

Edit: a 30-30-30 reset didn't solve the problem :(


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DoesItMatter
DD-WRT Guru


Joined: 10 May 2008
Posts: 1373
Location: Pacific North West, USA

PostPosted: Wed Oct 07, 2009 11:12    Post subject: Reply with quote
Are the latest drivers for your intel wireless cards from INTEL or from Microsoft?

See if Intel has released some Windows 7 drivers for those.

I'm betting its the drivers.

I've used wireless-N adapters on Windows Vista with no issues or loss of speed.

If you have the slowdown again, try and do this.

Goto the network adapters under Device manager.
Disable the wireless adapter, wait about 1 minute.
Re-enable the wireless adapter.

If it works fine again @ good speeds, then its definitely the driver and/or the adapter, not the WHR-G300N

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DerUltrazauberer
DD-WRT User


Joined: 11 Jun 2008
Posts: 131

PostPosted: Thu Oct 08, 2009 13:22    Post subject: Reply with quote
Same issues here with a different router (Asus WL-500W) and a notebook with Intel 5300 wlan card and windows7. I have the Buffalo WHR-G300N too and will test it, when I get the Asus working fine.

Yesterday I tried new drivers but it didn't help. Today I will play with the TCP/IP Stack and some netsh commands in Windows7. I'll let you know if it works.
Donny
DD-WRT Guru


Joined: 13 Nov 2008
Posts: 5266
Location: CENTRAL Midnowhere

PostPosted: Fri Oct 09, 2009 2:50    Post subject: Reply with quote
Intel Proset has known issues. Do a forum search for "proset".
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