Doing some checking on our external AP's they are all using channel 140 on the 5ghz radios.
The confusing thing is that all the AP's are set to Global for channel assignment and in the global setting
I only have these channels enabled
DCA Channel list
36, 40, 44, 48, 52, 56, 60, 64
Channel assignment is set to Automatic - 10 minutes
5508 running 7.6.130.0
APs are 1552s and 1532s
So why and how have they all decided to go onto 140?
And is this an issue?