I don't see that there is a knowledge base, but have discovered this in the release notes of 25.14 which has now been withdrawn/off display as a stable release, and 25.13 is back in place. Best thing to do is raise a support case I believe. Condition under investigation that may result in SSID's ceasing to broadcast (802.11ac Wave 2 MRs) Condition under investigation that causes VoIP RTP packet loss (MR42/MR52/MR53) Condition under investigation causes 2.4GHz radios to become unresponsive (MR32/MR72) Condition under investigation causes radios to become unresponsive for 5 seconds in high density networks (MR34/MR32/MR72/MR26) Condition under investigation causes lower than expected throughput on the 2.4GHz radio (MR26/MR34) We had the same happen at another site, so also rolled back to 25.13 and all is fine again. I'd downgrade your access points at the earliest opportunity and save battling with 25.14. ... View more