Greetings everyone,I really need help with an issue that appeared randomly out of nowhere. All of a sudden, clients trying to connect to a PSK WLAN show 802.1x authentication failures when trying to connect to this PSK WLAN and these clients go to ex...

Hi everyone,A few days ago, i changed two WS-C2960-24TT-L switches with two stacked Catalyst 9200L switches.Ever since i made this change, i noticed that every single device has a really slow connection, i'm losing ping to the devices, SSH is really ...