I'm a little concerned after reading this thread as we are introducing new Dell laptops to all of our teachers in the next 2 months, and I have heard similar reports already with some of our HP laptops, but that's a little up in the air (as they use the broadcom chipset).
@Derek: Can you elaborate on ADDBA? I haven't seen that acronym before ... Thanks, Mike Tucker AJUSD Tech Staff [email protected] On Mon, Jun 4, 2012 at 7:51 AM, <[email protected]> wrote: > Ah, my bad. I read 2610 and thought 3610 which is what we're running. A > good example of why I shouldn't types emails before the first cup of coffee > takes effect. :) > > Derek > > > > > > From: "Borel, Reese" <[email protected]> > To: "Enterasys Customer Mailing List" <[email protected]>, > > Date: 06/04/2012 09:10 AM > Subject: RE: [enterasys] Dell disconnect from Hipath AP 2610 > ------------------------------ > > > > Isn’t ADDBA an 802.1n option? This is happening on our a b/g’s. > > Thanks, > Reese > > *From:* [email protected] [mailto:[email protected] <[email protected]>] * > Sent:* Monday, June 04, 2012 7:53 AM* > To:* Enterasys Customer Mailing List* > Subject:* RE: [enterasys] Dell disconnect from Hipath AP 2610 > > If you haven't already tried, it might be worth disabling ADDBA > temporarily to see if that 'fixes' the issue. > > ADDBA is disabled on our network due to an Intel-related bug with the > 5100/5300/6200/6300 series chipsets. After a certain amount of traffic is > transferred, these Intel clients stop receiving traffic from the AP, yet > still remain associated. I was told Intel confirmed the issue in their > drivers and is working on fix. > > At any rate, we're running v8.11.02 here w/ADDBA disabled and haven't yet > received complaints from Broadcom users. At least, none that have been > forwarded my way. :) > > Derek Johnson | Data Communications Coordinator > FORT HAYS STATE UNIVERSITY > 415 Lyman Dr. TH 101, Hays, KS 67601 > (785) 628 - 5688 | *[email protected]* <[email protected]> > > > > > > From: "Borel, Reese" <*[email protected]* <[email protected]>> > To: "Enterasys Customer Mailing List" > <*[email protected]*<[email protected]>>, > > Date: 06/02/2012 10:08 AM > Subject: RE: [enterasys] Dell disconnect from Hipath AP 2610 > ------------------------------ > > > > > 8.11.01. > > We haven't installed and configured our second HiPath controller at this > time (still in the box). We see this problem with only one controller in > the loop. > > Now that you mention it.... I don't remember this being an issue before > the upgrade to 8. You may want to wait. > > Reese > ________________________________________ > From: Shuttlesworth, James [[email protected]] > Sent: Saturday, June 02, 2012 8:55 AM > To: Enterasys Customer Mailing List > Subject: RE: [enterasys] Dell disconnect from Hipath AP 2610 > > What version of firmware are you running? This is our environment > as well, and we are not seeing the problems but are still running 7.41 we > are planning on moving to newer firmware soon, but this may have us wait it > out a bit more. > > I can say we saw something very similar to this some time ago, and > it turned out to be a configuration accident that occurred where we > accidentally set an interface on two controllers to the same IP. The > controllers did not complain, and the clients periodically switched from > one controller to the other (depending on who answered an ARP request > first). When they switched it resulted in a disconnect. Reconnecting would > re-establish with one controller or the other and be OK. we basically > figured it out by looking at the arp tables of a connected laptop and a > disconnected one (they didn't have the same entry). > > > ------------------------------ > James Shuttlesworth > Network Technologies Manager > Ursinus College > Information Technology* > **[email protected]* <[email protected]> > > -----Original Message----- > From: Borel, Reese [*mailto:[email protected]* <[email protected]>] > Sent: Saturday, June 02, 2012 9:19 AM > To: Enterasys Customer Mailing List > Subject: RE: [enterasys] Dell disconnect from Hipath AP 2610 > > Jeff, > We have the same problem. Our Dell's (broadcom as well as intel cards) > won't stay connected. Ours drops way more than 1-2 times an hour. They > seem to disconnect less when using a SSID with PSK instead of RADIUS auth. > Plz try it and let me know if you get the same results. > > This is really a problem for us since Dell laptops are the corporate > standard and there is no problems for users when they go to other locations > using other vendor wireless. > > We are using all 2620's. i don't think the problem is in the AP. We have > had the RADIUS team look at logs when these drop. There are no > 'disconnect' instructions being sent from the RADIUS server. > > We have a GTAC case open on the issue and were told it was going to be > fixed in the last release of firmware. We upgraded and are still seeing > the problem. > > I'll keep you updated on our case. > > Reese > ________________________________________ > From: Jeff Murray [[email protected]] > Sent: Friday, June 01, 2012 8:31 AM > To: Enterasys Customer Mailing List > Subject: [enterasys] Dell disconnect from Hipath AP 2610 > > Hi > > I seem to remember some time back about a thread that discussed the > periodic disconnect between Dell laptops and Hipath wireless gear. > > We are running AP3610's and at one school seem to be experiencing an > occasional disconnect from the wireless network. A user can be in an area > of great signal strength and can lose the connection 1 or 2 times per hour. > A quick disconnect and reconnect establishes the connection again and all > is fine. > > The Dell laptops are using Broadcom wireless cards. > > Anybody else run into this? > > ============================================= > Jeff Murray - Director of Information Technology Services Red Deer Public > Schools > 4747-53 Street, Red Deer, Alberta* > **www.rdpsd.ab.ca/Information-Technology-Services.php*<http://www.rdpsd.ab.ca/Information-Technology-Services.php> > <*http://www.rdpsd.ab.ca/Information-Technology-Services.php*<http://www.rdpsd.ab.ca/Information-Technology-Services.php> > > > (403) 342-3737 > VC > [email protected]<*mailto:[email protected]*<[email protected]> > > > > [*cid:[email protected]*] > > > * --To unsubscribe from enterasys, send email to [email protected]<* > mailto:[email protected]* <[email protected]>> with the body: unsubscribe > enterasys *[email protected]* <[email protected]> > > > --- > To unsubscribe from enterasys, send email to > *[email protected]*<[email protected]>with the body: unsubscribe enterasys > *[email protected]* <[email protected]> > > --- > To unsubscribe from enterasys, send email to > *[email protected]*<[email protected]>with the body: unsubscribe enterasys > *[email protected]* <[email protected]> > > > --- > To unsubscribe from enterasys, send email to > *[email protected]*<[email protected]>with the body: unsubscribe enterasys > *[email protected]* <[email protected]> > > - --To unsubscribe from enterasys, send email to > *[email protected]*<[email protected]>with the body: unsubscribe enterasys > *[email protected]* <[email protected]> > - --To unsubscribe from enterasys, send email to > *[email protected]*<[email protected]>with the body: unsubscribe enterasys > [email protected] > > > - --To unsubscribe from enterasys, send email to [email protected] with > the body: unsubscribe enterasys [email protected] > > --- To unsubscribe from enterasys, send email to [email protected] with the body: unsubscribe enterasys [email protected]
