Popular as tabelas conforme a documentação oficial do freeradius

In usergroup, put entries matching a user account name to a group name.
In radcheck, put an entry for each user account name with a 'Cleartext-Password' attribute with a value of their password.
In radreply, create entries for each user-specific radius reply attribute against their username
In radgroupreply, create attributes to be returned to all group members

uspdev / copaco