X2 to that! We'd love to be able to put an 80% loaded fair bandwidth rule on our arubas...
-----Original Message----- From: The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto:wireless-...@listserv.educause.edu] On Behalf Of Philippe Hanset Sent: Monday, April 27, 2009 9:20 AM To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU Subject: Re: [WIRELESS-LAN] Wireless-only in residence halls we do, but for visitors only. for all users: Our wish list to Aruba includes a "fair bandwidth" request. Instead of a permanent rule per user, it would be an automatic rule that would kick in when too much load is on the AP. QoS for 802.11n ! There is not point to restrict a user if the AP is not overloaded. Philippe On Apr 27, 2009, at 10:59 AM, Michael Dickson wrote: > So, for anyone who is offering 802.1n is anyone putting bandwidth > restrictions for per-role or per-user? > > Mike > > > Peter P Morrissey wrote: >> Thanks Matt, >> I ordered a Dell that has one of those. Looking forward to testing >> it. All of this confirms though that there is no compelling reason >> for us to move to 802.11n. I was worried that I wasn't using the best >> equipment for the testing that I've done thus far with a couple of >> vendors. The testing shows a little over 100mbps down and maybe 90 >> up, and that is peak in the best case scenario lab conditions with an >> expensive, good quality adapter and all 11n parameters tuned. With >> cheaper, consumer grade adapters it was much lower than that. And, I >> would imagine it is even lower yet in real world scenarios. We're >> also finding that the range is usually no better, and in some cases >> worse than a/b/g. We tend to deploy with a lot of density anyway, so >> that isn't a big problem for us, but it contradicts what we had heard >> about the technology. It just doesn't look like users are going to >> notice any difference between current generation 11n and a solid >> a/b/g environment. And, when considering the cost difference and >> increased support complications that are inevitable when deploying a >> new technology, it is hard to make a case for moving to 11n with any >> urgency. If anyone has done any testing shows better results, please >> share it. >> Pete Morrissey >> -----Original Message----- From: The EDUCAUSE Wireless Issues >> Constituent Group Listserv >> [mailto:wireless-...@listserv.educause.edu] On Behalf Of Barber, Matt >> Sent: Monday, April 27, 2009 9:49 AM To: >> WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU Subject: Re: [WIRELESS-LAN] >> Wireless-only in residence halls >> Hi Pete, >> They do not do 3x3. I don't know of any adapters that do besides the >> Intel 5300. >> I haven't done any extensive throughput testing with those adapters. >> In terms of actual, real-world use though, they are performing fine. >> We have a few dozen people using them without issues. >> Matt Barber Network Analyst Morrisville State College 315-684-6053 >> -----Original Message----- From: The EDUCAUSE Wireless Issues >> Constituent Group Listserv [mailto:WIRELESS- >> l...@listserv.educause.edu] On Behalf Of Peter P Morrissey Sent: >> Monday, April 27, 2009 9:29 AM To: >> WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU Subject: Re: [WIRELESS-LAN] >> Wireless-only in residence halls >> Do they do 3x3 MIMO? What is the best up/down throughput that has >> been achieved on them with channel bonding? Pete Morrissey >> -----Original Message----- From: The EDUCAUSE Wireless Issues >> Constituent Group Listserv [mailto:WIRELESS- >> l...@listserv.educause.edu] On Behalf Of Barber, Matt >> Sent: Monday, April 27, 2009 8:42 AM To: >> WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU Subject: Re: [WIRELESS-LAN] >> Wireless-only in residence halls >> Hi Bruce, >> We went with two different Linksys dual-band adapters, one PCMCIA and >> one USB. The USB is really only for the few desktops that some >> students bring in. We sell it (the WUSB600n) at our bookstore. The >> PCMCIA one is the Linksys WPC600n, and we use it for some older >> laptops that don't have any wireless or only have 11b. >> Matt Barber Network Analyst Morrisville State College 315-684-6053 >> -----Original Message----- From: The EDUCAUSE Wireless Issues >> Constituent Group Listserv [mailto:WIRELESS- >> l...@listserv.educause.edu] On Behalf Of Osborne, >> Bruce W. (NS) Sent: Sunday, April 26, 2009 6:43 AM To: >> WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU Subject: Re: [WIRELESS-LAN] >> Wireless-only in residence halls >> Matt, >> We are looking into selling dual band 11n adapters. Whish ones did >> you choose? >> What about desktop computers? Do you provide any solution for >> wireless? There do not seem to be any dual band 11n desktop cards. >> You can buy adapters and use some of the laptop cards, though. >> Thanks, Bruce Osborne Liberty University >> -----Original Message----- From: Barber, Matt >> [mailto:barbe...@morrisville.edu] Sent: Saturday, April 25, 2009 1:21 >> PM Subject: Re: Wireless-only in residence halls >> This is similar to our approach. We push the 5 GHz as much as >> possible. Between the microwaves, Xbox 360 controllers, Bluetooth, >> and everything else, the 2.4 GHz in the dorms is a tad unpredictable. >> We sell dual-band 11n adapters in our bookstore, educate helpdesk >> visitors, and I am always testing how things look in the field. >> The great majority of the time, things work perfectly fine. When >> it doesn't, I will typically work directly with students to figure >> out >> why. Flipping some adapters to prefer 5 GHz (or only use 5 GHz even), >> or even suggesting that the microwave not be sitting 6 inches from a >> laptop typically takes care of things :) >> Matt Barber Network Analyst Morrisville State College 315-684-6053 >> -----Original Message----- From: The EDUCAUSE Wireless Issues >> Constituent Group Listserv [mailto:WIRELESS- >> l...@listserv.educause.edu] On Behalf Of Hector J >> Rios Sent: Friday, April 24, 2009 7:19 PM To: >> WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU Subject: Re: [WIRELESS-LAN] >> Wireless-only in residence halls >> I forgot to mention that as well. In almost all of the rooms that >> we went into when we were doing our surveys we saw a microwave oven >> and >> an occasional 2.4GHz cordless phone. We spoke to Res Life and >> explained to them the impact that such devices could have on the >> wireless network. Having a dual solution is great because the 5GHz >> band is less crowded. But unfortunately many wireless adapters tend >> to prefer the 2.4GHz band. Disabling the 2.4GHz would be wonderful, >> but the reality is that there are still a lot of legacy devices out >> there, so you have to support them. We even considered offering >> 2.4GHz at 2Mbps only, hoping that this would discourage users from >> using 2.4GHz altogether and opt for 5GHz. The issue here is how to >> get users to adjust settings on their end so that they only use 5GHz. >> Currently we have opted to attempt to "educate" our users on how >> wireless works, how certain devices can have detrimental effects on >> the network, and how small modifications to their adapter settings >> can make a huge difference. Utopian, I know. I'll let you guys how >> that idea goes. >> Hector >> ********** Participation and subscription information for this >> EDUCAUSE Constituent Group discussion list can be found at >> http://www.educause.edu/groups/. >> ********** Participation and subscription information for this >> EDUCAUSE Constituent Group discussion list can be found at >> http://www.educause.edu/groups/. >> ********** Participation and subscription information for this >> EDUCAUSE Constituent Group discussion list can be found at >> http://www.educause.edu/groups/. >> ********** Participation and subscription information for this >> EDUCAUSE Constituent Group discussion list can be found at >> http://www.educause.edu/groups/. >> ********** Participation and subscription information for this >> EDUCAUSE Constituent Group discussion list can be found at >> http://www.educause.edu/groups/. >> ********** Participation and subscription information for this >> EDUCAUSE Constituent Group discussion list can be found at >> http://www.educause.edu/groups/. >> ********** Participation and subscription information for this >> EDUCAUSE Constituent Group discussion list can be found at >> http://www.educause.edu/groups/. > > ********** > Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at http://www.educause.edu/groups/ > . ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/. ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
