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I setup per-user bandwidth contracts on my guest anchor controller. The controller model is 5508 and firmware is 184.108.40.206. No Qos settings were configured on the foreign controllers.
The bandwidth limits for the WLAN worked correctly for a couple of weeks, then speed reduced to almost nothing. I removed the WLAN bandwidth limits and speed was back to normal again.
Has anyone else run into this issue? Any ideas why it might have happened?