Changes the preshared key of a WLAN with WPA2 PSK security.
Validated on a Cisco 5508 WLC running 22.214.171.124.
Prompts for WLAN ID and new passkey.
Script saves the configuration so there is you don't have to check the Write config to NVRAM after execute box when defining variables.
WLCs configured to use device command template Cisco WLC-126.96.36.199.4.1.14179.ConfigMgmt-Commands.