Cisco 9800 with a 2,4Ghz channel plan on 1, 5, 6, 9, 11 and 13?
THE ISSUE Yes, 5Ghz, 6Ghz, even MLO in the coming Wi-Fi 7 using those bands and 2.4Ghz, but, there are still 2.4Ghz only capable clients... During a routine check, I observed that a client was associated on channel 5 on 2.4Ghz. The AP was managed through one of the 9800 WLCs deployed for the management of small or medium-sized offices with APs in Flexconnect. Of course, I checked the site´s RF Profile, and surprisingly, it had the following channel plan: After reviewing the 2.4Ghz RF Profiles of each of the locations managed by that 9800, I could see that absolutely all of the locations had that channel plan, even in the predefined profiles!! After eliminating channels 5, 9 and 13 from all the created profiles and the predefined ones -yes, they can be modified even if the UI shows the following error- I tried to find the cause of this incident. Initially, after seeing that this issue also occurred in a WLC in version 17.3.5 (the others were in version 17.9.4c or 17.9.5), I thought tha