Cisco Cisco IOS Software Release 12.2(33)SXH

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Ethernet Connectivity Fault Management
Ethernet Connectivity Fault Management (CFM) is an end-to-end per-service-instance Ethernet layer 
operations, administration, and maintenance (OAM) protocol. It includes proactive connectivity 
monitoring, fault verification, and fault isolation for large Ethernet metropolitan-area networks (MANs) 
and WANs.
Configuration Information
Configuration information is included in the “Configuring Ethernet Connectivity Fault Management in 
a Service Provider Network” module of the Cisco IOS Carrier Ethernet Configuration Guide, 
Release 12.4T,
 
at the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124tcg/tce_c/ecfm_mod.htm
The following sections provide information about this feature:
Customer Service Instance
Maintenance Domain
Maintenance Point
CFM Messages
Cross-Check Function
SNMP Traps
Designing CFM Domains
Configuring Ethernet CFM
For a complete list of features included in the “Configuring Ethernet Connectivity Fault Management in 
a Service Provider Network” module, see the Feature Information Table located toward the end of the 
module.