We have found that disabling client-side IPv6 (we also are not set up for it) puts an end to most OS X issues. Sometimes is the fix for random Win problems, but very prevalent in OS X space.
-----Original Message----- From: The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto:[email protected]] On Behalf Of Scott Allen Sent: Thursday, January 16, 2014 4:30 PM To: [email protected] Subject: Re: [WIRELESS-LAN] dropped connections on Macbooks with Cisco WLC 7.6.100.0 Good point. I had a couple of problem tickets (7.4.100.0) that on further investigation Prime showed the clients were connected only IPv6 and getting nowhere because we don't have IPv6 enabled. -Scott On Thu, Jan 16, 2014 at 4:22 PM, Lee H Badman <[email protected]> wrote: > We're doing fine with WPA-2, PEAP, MS-CHAP v2. I hate to say it- but try > disabling IPv6 on the problem machine, and make sure no OS X updates > waiting. > > > > From: The EDUCAUSE Wireless Issues Constituent Group Listserv > [mailto:[email protected]] On Behalf Of Luke Jenkins > Sent: Thursday, January 16, 2014 3:06 PM > To: [email protected] > Subject: Re: [WIRELESS-LAN] dropped connections on Macbooks with Cisco WLC > 7.6.100.0 > > > > We're running 7.6 with a mix of APs including 3602s, no reports of this > issue here and I've not noticed it on my Macbook Pro. Though it could always > be some setting we don't have in common such as different encryption types, > QoS, or HA that are causing the issue. > > > > Happy to drill down into the nitty gritty off list if you want to check > configs, drop me a line. > > > > -Luke > > > > > > On Thu, Jan 16, 2014 at 12:40 PM, Spurgeon, Charles E > <[email protected]> wrote: > > Has anyone else seen a dropped connection issue with Macbooks and Cisco WLC > v 7.6.100.0 code? > > > > We are pilot testing 7.6.100.0 code on a WiSM2 card supporting staff APs and > have noticed a dropped connection issue with Macbooks when associated with > the 5GHz radio on model 3602i or 3702i APs. > > > > The connection typically fails after approx. 15 minutes, usually leaving the > client with an IP addr which it can ping, but the client cannot ping the gw > addr or anything beyond the gw. The client WiFi interface reports that it is > still associated, which is confirmed on the controller side of the > connection. > > > > For one Macbook the test AP is directly above the laptop, with a > 5GHz-specific and AP-specific SSID to help isolate the issue. > > > > IOS and Windows7 platforms do not appear to have the issue when associated > to the same SSID on the same AP. > > > > But so far three Macbooks (two Macbook Air with dot11ac, one Macbook Pro > with dot11n) have demonstrated the dropped connection issue. They are all > running Mac OS X 10.9.x (Mavericks). > > > > The issue does not occur when the test 3602i AP is moved back to 7.4 code. > > > > Thanks, > > > > -Charles > > > > Charles E. Spurgeon > > University of Texas at Austin / ITS Networking > > [email protected] / 512.475.9265 > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/. > > > > > > -- > > =-=-=-=-=-=-=-=-=-=-=-= > > Luke Jenkins > Network Engineer > Weber State University > > ********** 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/. -- Scott Allen Director, Network Services Georgetown University [email protected] mobile - 202-309-5739 ********** 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/.
