How-To: AirGroup for Guest Users
One of the major issues with using AirGroup for Guest Users is that once a Guest User changes over to MAC Caching, the username for that user is the device's MAC Address. Here is how to fix that.
Create a new enforcement profile called MAC-Auth-Update-Username with a type of RADIUS Based Enforcement (In CPPM->Configuration->Enforcement->Profiles->Add Enforcement Profile).
Add an Attribute to match the following:
Then add that enforcement to profile to your MAC Auth enforcement policy:
That's it. Now your guest's usernames will show up in the show user-table, even when they are MAC Caching: