Working with GTAC, they were able to isolate the two features causing 
certain Intel adapters grief in my test environment --  A-MPDU and ADDBA. 
Since disabling those features on the AP radios, my Intel 1000BGN testbox 
hasn't had any trouble sending/receiving traffic.

To answer your specific question, the vast majority of complaints have 
come from users with HP systems running Windows 7 SP1 64-bit.  We've seen 
a few Vista SP2 32-bit and various Dell/Asus Windows 7 SP2 32-bit systems 
in the mix as well.  Two systems ran Atheros or RealTek and both users 
reported that a driver update fixed their issues.  All others have had 
Intel adapters of some kind, with the majority equipped with Intel 
1000BGN.

There's a significant Mac presence in these particular buildings, and 
we've heard nothing but good things so far.  However if memory serves, 
Apple wifi hardware is either Atheros or Broadcom-based depending on the 
device.

My gut says this is an Intel-HiPath bug, something to do with the behavior 
of the Intel driver itself.

Derek Johnson
Data Communications Coordinator
Fort Hays State University
(785) 628 - 5688
[email protected]






From:   Jolyon Ansuz <[email protected]>
To:     "Enterasys Customer Mailing List" <[email protected]>
Date:   09/01/2011 08:09 PM
Subject:        RE: [enterasys] Enterasys HiPath and Intel Clients



Is this an operating system issue? Can this be reproduced on *nix, Mac, 
others?

Could this be a drivers issue on the OS, could this be a firmware issue on 
the H/W?

5c

Jolyon Ansuz

Senior Network and Communications Administrator
Communications Infrastructure 
Information Technology 
University of New England 
Armidale NSW 2351 
P: +61 2 6773 3568

From: [email protected] [mailto:[email protected]] 
Sent: Thursday, September 01, 2011 6:31 PM
To: Enterasys Customer Mailing List
Subject: [enterasys] Enterasys HiPath and Intel Clients

Is anyone out there having any trouble with Intel WLAN adapters and 
HiPath?  Specifically, we've had ~100 student laptops come in with Intel 
1000BGN adapters - latest drivers - that remain connected to the network, 
but stop receiving traffic from our 3610 APs.  Disconnect/reconnect and 
things are fine for a short while, then stop working again.  Some clients 
stop receiving traffic immediately after obtaining an IP address.  Open 
SSID, WPA2, it doesn't matter. 

I've also had trouble with random versions of the Intel 5100 adapter. 
 5300/62xx/63xx only seem to experience occasional packet loss but 
otherwise no major problems.  Atheros/Broadcom adapters exhibit none of 
these issues.

I'm currently working with support, but it's pretty slow going so I 
thought I'd ping to see if others are having the same issues.  Running 
firmware 7.41.05.0003 here. 

Cheers! 

Derek Johnson
Data Communications Coordinator
Fort Hays State University
(785) 628 - 5688
[email protected] 
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