HI everyone  My network environment is shown in the following picture，I looked into some loggs on my WLC 9800 and saw a bunch of loggs like this:%SWPORT-4-MAC_CONFLICT: Dynamic mac XXXX.XXXX.XXXX from Port-channel2 conflict with WlClient, please chec...

HI everyoneI have both C3850 and C9300L stacked here, and I would like to upgrade to the following version nowC3850 upgraded from version 03.02.03 SE to recommended version 16.12.10aC3850 upgraded from version 16.6.5 to recommended version 16.12.10aU...