Let make it simple, sometimes, your RADIUS server may need to proxy a PEAP/MSCHAPv2 request to another RADIUS (Home Server) to authenticate a user.
Setting up an AP which accept PEAP/MSCHAPv2 authentication using Linux with a ‘Master Mode-able’ wifi device, sometimes, is not quite worth. Using ready-made network appliance should be more easy and stable. However, setting up a RADIUS server to terminate the PEAP/MSCHAPv2 request can’t be avoided.
Some special setup which you may find useful when configure Freeradius.
Freeradius is powerful, however, you may find it is difficult to do configuration. This post try to include common configuration such that you may find useful for your setup.
Software Slackware 13.37 Freeradius