About Ethernet Cfm - Cisco Catalyst 4500 series Administration Manual

About Ethernet CFM

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About Ethernet CFM
Ethernet CFM is an end-to-end per-service-instance (per-VLAN) Ethernet layer OAM protocol. It
includes proactive connectivity monitoring, fault verification, and fault isolation. End-to-end can be
provider-edge-to provider-edge (PE-to-PE) device or customer-edge-to-customer-edge (CE-to-CE)
device. Ethernet CFM, as specified by IEEE 802.1ag, is the standard for Layer 2 ping, Layer 2 traceroute,
and end-to-end connectivity verification of the Ethernet network.
These sections contain conceptual information about Ethernet CFM:
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Ethernet CFM and OAM Definitions
The following table describes many of the terms in this chapter that are related to OAM and CFM
features:
Term
CC
CFM
EI
EVC
MEP
MIP
OAM
UNI
CFM Domain
A CFM maintenance domain is a management space on a network that is owned and operated by a single
entity and defined by a set of internal boundary ports. You assign a unique maintenance level (from 0 to
7) to define the domain hierarchy. The larger the domain, the higher the level. For example, as shown in
Figure
maintenance level of 6, while the operator domain maintenance level would be 3 or 4.
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
66-2
Ethernet CFM and Ethernet OAM Interaction, page 66-51
Ethernet CFM and OAM Definitions, page 66-2
CFM Domain, page 66-2
Maintenance Associations and Maintenance Points, page 66-4
CFM Messages, page 66-5
Crosscheck Function and Static Remote MEPs, page 66-5
SNMP Traps and Fault Alarms, page 66-5
Configuration Error List, page 66-6
IP SLAs Support for CFM, page 66-6
Definition
Continuity Check
Connectivity Fault Management
Ethernet Infrastructure or EVC Infrastructure
Ethernet Virtual Circuit
Maintenance Endpoint
Maintenance Intermediate Point
Operations Administration and Maintenance
User to Network Interface
66-1, a service-provider domain would be larger than an operator domain and might have a
Chapter 66 Configuring Ethernet OAM and CFM
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