Table of Contents

 1     Scope          
 2     References
 3     Definitions 
        3.1     Terms defined elsewhere          
        3.2     Terms defined in this Recommendation              
 4     Abbreviations and acronyms
 5     Conventions             
        5.1     ME group (MEG)          
        5.2     Traffic conditioning point (TrCP)            
        5.3     MEG level       
        5.4     OAM transparency      
        5.5     Representation of octets          
 6     OAM relationships  
        6.1     MEs, MEPs, MIPs and TrCPs relationship             
        6.2     MEs, MEGs and MEG level relationship
        6.3     MEPs and MIPs configuration  
 7     OAM functions for fault management            
        7.1     Ethernet continuity check (ETH-CC)       
        7.2     Ethernet loopback (ETH-LB)     
        7.3     Ethernet link trace (ETH-LT)     
        7.4     Ethernet alarm indication signal (ETH-AIS)          
        7.5     Ethernet remote defect indication (ETH-RDI)     
        7.6     Ethernet locked signal (ETH-LCK)           
        7.7     Ethernet test signal (ETH-Test)
        7.8     Ethernet automatic protection switching (ETH-APS)       
        7.9     Ethernet maintenance communication channel (ETH-MCC)         
       7.10     Ethernet experimental OAM (ETH-EXP)              
       7.11     Ethernet vendor-specific OAM (ETH-VSP)          
       7.12     Ethernet client signal fail (ETH-CSF)     
 8     OAM functions for performance monitoring 
        8.1     Frame loss measurement (ETH-LM)       
        8.2     Frame delay measurement (ETH-DM)   
        8.3     Throughput measurement        
        8.4     Synthetic loss measurement (ETH-SLM)
 9     OAM PDU types       
        9.1     Common OAM information elements   
        9.2     CCM PDU        
        9.3     LBM PDU        
        9.4     LBR PDU         
        9.5     LTM PDU        
        9.6     LTR PDU          
        9.7     AIS PDU           
        9.8     LCK frame       
        9.9     TST PDU          
       9.10     APS PDU        
       9.11     MCC PDU      
       9.12     LMM PDU      
       9.13     LMR PDU       
       9.14     1DM PDU      
       9.15     DMM PDU     
       9.16     DMR PDU      
       9.17     EXM PDU       
       9.18     EXR PDU        
       9.19     VSM PDU       
       9.20     VSR PDU        
       9.21     Client signal fail (CSF)
       9.22     SLM PDU       
       9.23     SLR PDU         
       9.24     1SL PDU         
10     OAM frame addresses         
       10.1     Multicast destination addresses            
       10.2     CCM
       10.3     LBM 
       10.4     LBR  
       10.5     LTM 
       10.6     LTR  
       10.7     AIS   
       10.8     LCK  
       10.9     TST   
      10.10     APS 
      10.11     MCC              
      10.12     LMM             
      10.13     LMR
      10.14     1DM              
      10.15     DMM             
      10.16     DMR              
      10.17     EXM
      10.18     EXR 
      Page
      10.19
     VSM
      10.20     VSR 
      10.21     CSF 
      10.22     SLM
      10.23     SLR 
      10.24     1SL  
11     OAM PDU validation and versioning
       11.1     OAM PDU transmission            
       11.2     OAM PDU validation in reception         
       11.3     OAM PDU reception after validation   
Annex A – MEG ID format    
        A.1     ICC based MEG_ID format       
       A.2      Global MEG ID format based on CC and ICC      
Annex B – Ethernet link trace (ETH-LT) of [ITU-T Y.1731]  interoperability considerations    
        B.1     Ethernet link trace (ETH-LT) as defined in [ITU-T Y.1731]             
        B.2     Interworking with [ITU-T Y.1731]          
Appendix I – Ethernet Network Scenarios    
        I.1     Shared MEG levels example      
        I.2     Independent MEG levels example           
Appendix II – Frame loss measurement    
       II.1     Simplified calculation for frame loss      
       II.2     Frame counter wrapping periodicity      
Appendix III – Network OAM interworking    
Appendix IV – Mismerge detection limitation    
Appendix V – Terminology alignment with [IEEE 802.1Q]    
Appendix VI – Examples showing accuracy for ETH-SLM measurement     
Appendix VII – ETH-LM and Link Aggregation    
Bibliography