If you are connecting the switch to an RPS then you will need to reset the port. a power cycle may also help.

Hi, you need to enable the LACP on physical port which are member of EtherChannel;let's say i have interface port-channel 10 and physical port member of this port channel is interface gigabitEthernet 0/0, so i need to go to interface gigabitEthernet ...

37xx does not support Enhanced Pagp

1. Change AP mode to capwap,,,, (press esc button when the AP is booting and change the mode to CAPWAP).....  2. Add the mac addresses of APs to allow list on WLC security policy. if above two step does not resolve the issue then apply the third ...