В этом патче сломан Radius accounting. :(
Вот пример того, что шлет mpd-mz радиусу:
===
Wed Oct 18 22:14:46 2006                                                        
        NAS-Identifier = "xxxxxxxxx.ru"                                        
        NAS-IP-Address = xxx.xxx.xxx.xxx                                        
        NAS-Port = 21                                                          
        NAS-Port-Type = Virtual                                                
        Service-Type = Framed-User                                              
        Framed-Protocol = PPP                                                  
        Calling-Station-Id = "xxx.xxx.xxx.xxx"                                    
        User-Name = "bav2"                                                      
        Framed-IP-Address = xxx.xxx.xxx.xxx                                      
        Acct-Status-Type = Interim-Update                                      
        Acct-Session-Id = "1193365-L021"                                        
        Acct-Multi-Session-Id = "1193365-B021"                                  
        Acct-Link-Count = 1                                                    
        Acct-Authentic = RADIUS                                                
        Acct-Session-Time = 1921                                                
        Acct-Input-Packets = 0                                                  
        Acct-Output-Packets = 0                                                
        Acct-Input-Octets = 527446                                              
        Acct-Output-Octets = 0                                                  
        Acct-Input-Gigawords = 0
        Acct-Output-Gigawords = 0                                              
        Client-IP-Address = 127.0.0.1                                          
        Acct-Unique-Session-Id = "6af97c19508a5d78"                            
        Timestamp = 1161195286
===
link type pptp
mpd -b -m