Chris, The Wi-Fi deployment is definitely a big part of the equation but so it the “sticky client”. I’m writing this email just above a nice dual band Access-Point with an observed RSSI of -55dBm on my Macbook Pro, and I’m on 2.4 GHz :( (I started my journey far away from that same AP…)
Philippe Philippe Hanset www.anyroam.net www.eduroam.us +1 (865) 236-0770 GPG key id: 0xF2636F9C > On Apr 7, 2016, at 10:43 AM, Chris Adams (IT) <chris.ad...@ung.edu> wrote: > > Phillipe, > > I would suggest that it’s not always an issue of the client not supporting > 5ghz, but rather that some deployments are not conducive to good 5ghz > propagation – we’ve all seen WAPs in hallways between classrooms before. In > my experience, clients that associate to 2.4ghz are doing so due to lack of > good 5ghz signal, and less so due to client radios. > > Thanks, > > Chris Adams, CISSP > > Director, Network & Telecom Services > Division of Information Technology > University of North Georgia > > From: The EDUCAUSE Wireless Issues Constituent Group Listserv > [mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > <mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>] On Behalf Of Philippe Hanset > Sent: Thursday, April 7, 2016 10:37 AM > To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > <mailto:WIRELESS-LAN@listserv.educause.edu> > Subject: Re: [WIRELESS-LAN] Turning off 2.4 on a select SSID? > > My ears have been burning… > > I understand Hector's comment about the spirit of eduroam, but like Ryan I > have also be tempted in the past to only support 5 GHz in certain areas > because 2.4 GHz was becoming too much of a pain (e.g. Dormitories). The > eduroam Compliance Statement requires 802.11, no frequency mentioned. > > eduroam users with 2.4GHz devices will just not see the available SSID if a > school decides to only offer it at 5 GHz in certain locations. > In a sense it is no different than schools only offering eduroam in certain > locations. > > Now, if the entire eduroam SSID for all locations at the school is on 5 GHz, > it might be challenging. > > But how many clients REALLY can’t support 5 GHz? > The stats showing 2.4 GHz VS 5 GHz usage can be deceiving. Is it a client > with both radios and a poor selection of spectrum, > or is it really 2.4 Ghz only capable devices? It seems that the best way to > know if 5 GHz only is fine for your community is to “just do it”. > > I checked cheap laptops at BestBuy and under specifications you find > “Wireless-AC” or “Wireless-B, G, N". No reference to the type of radio. > Those darn marketing people, they will get you every time. > > Philippe > > Philippe Hanset > www.anyroam.net <http://www.anyroam.net/> > www.eduroam.us <http://www.eduroam.us/> > +1 (865) 236-0770 > > GPG key id: 0xF2636F9C > > > > > > > On Apr 7, 2016, at 10:04 AM, Turner, Ryan H <rhtur...@email.unc.edu > <mailto:rhtur...@email.unc.edu>> wrote: > > I don't think so. I think anytime a university enforces a uniform policy > that applies to all folks, it shouldn't be an issue. Of course, we are a > long way from actually doing this. We'll involve Phillipe if we move forward. > > Sent from Outlook Mobile <https://aka.ms/qtex0l> > > > > > On Thu, Apr 7, 2016 at 7:01 AM -0700, "Hector J Rios" <hr...@lsu.edu > <mailto:hr...@lsu.edu>> wrote: > > I would go back to Jason's comment and reference eduroam's policy. I > personally think that only allowing 5GHz on eduroam goes against the spirit > the global availability of eduroam. My 2 cents. > > Hector Rios > Louisiana State University > > -----Original Message----- > From: The EDUCAUSE Wireless Issues Constituent Group Listserv > [mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > <mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>] On Behalf Of Matthew Newton > Sent: Thursday, April 07, 2016 8:54 AM > To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > <mailto:WIRELESS-LAN@listserv.educause.edu> > Subject: Re: [WIRELESS-LAN] Turning off 2.4 on a select SSID? > > On Thu, Apr 07, 2016 at 01:27:04PM +0000, Joseph M. Karam wrote: > > We offer 2.4 and 5 GHz service. When we have conflicts, we work with > > departments to give them a channel in the 2.4 GHz space, then we take > > that channel out of our central infrastructure. > > So, for example we gave engineering channel 6 for all of their labs, > > and we took that out of our central infrastructure. So far it has > > worked well and we can play together nicely > > What do you do after you've given the last remaining free 2.4Ghz channel to > the third department that requests one and you've got none left for > yourselves? > > And presumably Engineering have lots of CCI because all of their APs are on > the same frequency? > > Not critcising, just trying to understand! :) > > Matthew > > > -- > Matthew Newton, Ph.D. <m...@le.ac.uk <mailto:m...@le.ac.uk>> > > Systems Specialist, Infrastructure Services, I.T. Services, University of > Leicester, Leicester LE1 7RH, United Kingdom > > For IT help contact helpdesk extn. 2253, <ith...@le.ac.uk > <mailto:ith...@le.ac.uk>> > > ********** > Participation and subscription information for this EDUCAUSE Constituent > Group discussion list can be found at http://www.educause.edu/groups/ > <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/ > <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/ <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/ <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/ <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/.
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