(1. WLC initial configuration a) Start the WLC, press "ESC" to enter the startup wizard, select 5, remove the configuration b) Follow the wizard prompts to set the basic parameters (omitted) c) Retain the configuration and restart, use the browser to enter the WLC page management 2. Lightweight AP is related to WLC a) Upgrade the AP's IOS and access the network b) If the AP and WLC are in the same vlan, and the WLC's countrycode configuration is accurate, it can be related)