We have some weird issue going on for many months, we did much troubleshooting, including the driver upgrade on the clients. but the issue still persists and the challenge here is it is very difficult to collect the real-time logs because we don't know then the issue re-correct.
to troubleshoot this issue we have test SSID as well created, where only very few users associated with this test SSID.
attached is the configuration for our test SSID.. Experts - please kindly review the config and tel us what we are missing from the controller side. we are not sure what is the cause is it controller or client, et...
When the users are in the corporate wifi - all of the sudden user wifi shows Connected "NO INTERNET"
Users will have manually disconnect & re-connect.
Client type - Laptop (Windows 10 Image) - also attached the client WLAN report for reference (
Wireless Adapter - Intel various model
WLC - Cisco 5520
Version - 8.8.125 (We have tried many previous versions)
All the AP's are added in flex connect mode with WLAN & flex connect groups.
AP Model - Cisco 3802
Authentication - We were using ISE, then this SSID we have put it on Microsoft radius auth - the issue is with both auth method.
I would check driver version as well. Here is what we use and did not have such problems reported. We are with 126.96.36.199 release & using 3802.
C:\>netsh wlan show drivers
Interface name: WiFi
Driver : Intel(R) Dual Band Wireless-AC 8260
Vendor : Intel Corporation
Provider : Microsoft
Date : 20/03/2018
Version : 188.8.131.52
INF file : netwtw06.inf
Type : Native Wi-Fi Driver
Radio types supported : 802.11a 802.11ac
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