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Hi @henleyjj our ISE was running 2.7.0.356 with patches 2,4,5 and it now running patch 7 however the issue for us turned out to be caused by the bonjour service, once this was disabled we no longer experienced issues. Unsure if the symptoms you are experiencing are the same as ours, I also have a post on the Cisco ISE community regarding our issue with a break down of the symptoms we had. https://community.cisco.com/t5/network-access-control/ios-device-re-auth-after-wakeup-on-meraki-ise/m-p/4585342#M573872 Hope you get your issue resolved
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Dec 17 2021
1:08 AM
@PhilipDAth @AlexP thank you both for helping and highlighting the documents relating to the issue we were experiencing and VPN best practices, much appreciated.
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Oct 24 2021
11:58 AM
No, I haven't. But then again, I haven't noticed it lately, as things have gotten upgraded since (MBP, iPhone, Meraki). But in my scenario it was on an SSID with PSK. I haven't noticed it on a wireless network with 802.1x.
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Sep 6 2021
2:29 PM
Hi There, We have recently reconfigured one of our SSID's so that users are assigned a group policy that assigns ACL's and VLAN depending on if the user is a Staff member or a Pupil. The RADIUS functions are provided by Cisco ISE. Since making these changes users are now experiencing an issue whereby their device shows as connected, it has an IP address in the correct VLAN but it has no connectivity. We are unable to ping to and from the device and within the dashboard it shows as disconnected. In timeline we see "802.11 REASON (CODE 34) Missing Acknowledgements" which has the definition of association denied due to excessive frame loss rates and/or poor conditions on current operating channel, however our channels show as low utilization. We are currently only seeing this behaviour on the 5 GHz band and with iPads however they do make up the majority of our devices. Has anyone else seen or experienced this issue or can suggest troubleshooting?
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RF Spectrum
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SSID
Feb 1 2021
5:42 PM
@JSalmond Bear in mind you will need a SM license for each device both staff and student, depending how many students you have this could get expensive quickly.
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