We have standalone 5520 controller, we just rebooted for the Maintainanace, After reboot wlc not online, Suddenly Fan lights are amber blinking, when we open the server, fans are non operational.when I try to login using putty , booting up and then e...

We have cisco 5520 wireless controller connect to 88 Aps, Suddenly in the morning some of the clients got connected and some of them get connected but says no internet.connected clients are both 2.4 and 5GHZ clients. Please advice

%SW_MATM-4-MACFLAP_NOTIF: Host c0ee.fbda.b50e in vlan 200 is flapping between port Gi1/0/13 and port Gi1/0/14   This is the error , when i logging into my cisco switch 3650, These two ports are connected to Cisco wireless controller, and in wireless ...