The eduroam configuration can be done automatically (if the device supports it) or manually. We recommend users to form automatic settings. By security and performance is the network wifi that has to use .
udcwifi network can be configured only manually. We recommend udcwifi only for devices that not comply with the recommendations of eduroam. This SSID will disappear soon.
udcportal not need any configuration (are required to open a browser and enter user credentials to work). We recommend users to use eduroam.
See requirements for connecting networks without edges UDC.