Table Of Contents
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 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:
The following sections provide information about this feature:
•Customer Service Instance
•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.
Command Reference Information
Detailed information about commands is included in the Cisco IOS Carrier Ethernet Command Reference, Release 12.2SR, at the following URL:
Detailed information about commands is included in the Cisco IOS Carrier Ethernet Command Reference, Release 12.2SX, at the following URL:
Master Commands Lists
Cisco IOS master commands lists provide an alphabetical list of all Cisco IOS commands in a Cisco IOS release.
Cisco IOS new, modified, removed, and replaced commands lists provide an alphabetized list of all new, modified, removed, and replaced commands in a Cisco IOS release.
Cisco IOS Master Commands List, Release 12.2SR, at the following URL:
Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command display output, and figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses in illustrative content is unintentional and coincidental.
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