Same environment (6.x to 8.x) but no, radius is fine for us. We are on 535's 
with older 325/303's.   (we are AOS 8.6.0.10 which seems -knock on wood -very 
stable)

Our issue is with IOS 14.7 and Crestron Airmedia2's -I suspect the privacy 
settings are causing us issues.  Same Apple hardware ~ 14.3 or earlier is fine.

Not to hijack your thread, Ryan.

Cheers
Ian J Lyons
Network Architect - Rollins College
401.413.1661 Cell
407.628.6396 Desk



________________________________
From: The EDUCAUSE Wireless Issues Community Group Listserv 
<WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU> on behalf of Turner, Ryan H 
<rhtur...@email.unc.edu>
Sent: Wednesday, September 1, 2021 11:27
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU <WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>
Subject: [WIRELESS-LAN] Anyone else seeing any issues in the fall with large 
classrooms and delayed connection times (Aruba 8.5.0.13)


* External Email *


This is a stab in the dark.  With the University mostly shutdown since the 
Spring of 2020 (=not operating in standard mode and most people work from 
home), we got campus upgraded from 6.X to 8.X code base.  We’ve also installed 
many 515 series APs.  We are getting a large number of complaints in large 
classrooms that connecting to things like eduroam takes a long time.  Looking 
into the connection, we see many incomplete RADIUS challenges.  The general 
complaints are ‘we come into the classroom, and for some folks it can take up 
to 5 minutes to get connected’.  The odd thing is that our RADIUS 
infrastructure is very large, polished and load shared, and we can see no 
performance issues with any of the RADIUS servers.  We have begun reducing 
power in the large classrooms to make association issues better, but so far 
that hasn’t changed much.  We anticipate opening a ticket with Aruba, soon.  We 
do seem to see the most complaints in the big classrooms.  But I do keep going 
back to the RADIUS Challenges incomplete.  I know if no reason for those not to 
complete unless the connection is broken midway.



Has anyone else seen something like this?



Ryan Turner

Head of Networking

Communication Technologies | Information Technology Services

r...@unc.edu<mailto:r...@unc.edu>

+1 919 445 0113 (Office)

+1 919 274 7926 (Mobile)



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