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Cisco Catalyst 4500 Series Configuration Guide

Cisco Catalyst 4500 Series
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63-2
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
OL-25340-01
Chapter 63 Configuring Ethernet OAM and CFM
About Ethernet CFM
• Ethernet CFM and Ethernet OAM Interaction, page 63-51
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:
• Ethernet CFM and OAM Definitions, page 63-2
• CFM Domain, page 63-2
• Maintenance Associations and Maintenance Points, page 63-4
• CFM Messages, page 63-5
• Crosscheck Function and Static Remote MEPs, page 63-5
• SNMP Traps and Fault Alarms, page 63-5
• Configuration Error List, page 63-6
• IP SLAs Support for CFM, page 63-6
Ethernet CFM and OAM Definitions
The following table describes many of the terms in this chapter that are related to OAM and CFM
features:
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 63-1, a service-provider domain would be larger than an operator domain and might have a
maintenance level of 6, while the operator domain maintenance level would be 3 or 4.
Term Definition
CC Continuity Check
CFM Connectivity Fault Management
EI Ethernet Infrastructure or EVC Infrastructure
EVC Ethernet Virtual Circuit
MEP Maintenance Endpoint
MIP Maintenance Intermediate Point
OAM Operations Administration and Maintenance
UNI User to Network Interface

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Cisco Catalyst 4500 Series Specifications

General IconGeneral
SeriesCatalyst 4500 Series
CategorySwitch
Layer SupportLayer 2, Layer 3
Form FactorModular chassis
StackableNo
Chassis Slots3, 6, 7, 10
Power Supply OptionsAC, DC
RedundancyPower supply, Supervisor engine
Network ManagementCisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
FeaturesSecurity, QoS
Port DensityUp to 384 ports per chassis
Security Features802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine8-E

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