ExtremeXOS CFM Support displays the CFM support in ExtremeXOS.
| Item | Limit | Notes | 
|---|---|---|
| 
                                 Domains  | 
                            
                                 8  | 
                            
                                 Per switch; one for each MD level  | 
                        
| 
                                 Associations (MAs)  | 
                            
                                 256  | 
                            
                                 Per switch  | 
                        
| 
                                 UP MEPs  | 
                            
                                 32  | 
                            
                                 Per switch  | 
                        
| 
                                 DOWN MEPs  | 
                            
                                 256 hardware-placed MEPs 32  | 
                            
                                 Per switch  | 
                        
| 
                                 MIPs  | 
                            
                                 32  | 
                            
                                 Per switch  | 
                        
| 
                                 Total CFM ports  | 
                            
                                 128  | 
                            
                                 Per switch; total number of all ports for all service instances assigned to an MA (see command for ports configured for CFM)  | 
                        
| 
                                 Entries in the CCM database  | 
                            
                                 2000  | 
                            
                                 Number of remote end points stored in a CCM database on each MEP; 64 end points per MEP (additional CCMs discarded after this limit is reached)  | 
                        
| 
                                 CFM Segments  | 
                            
                                 1000  | 
                            
                                 Maximum number of CFM segments for Y.1731.  | 
                        
| 
                                 CFM Groups  | 
                            
                                 1000  | 
                            
                                 Maximum number of CFM groups.  | 
                        

Note
The total number of CFM ports is a guideline, not a limit enforced by the system.