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
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> 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>>
> 
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