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Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
OL-9639-06
Chapter 39 Configuring Ethernet OAM, CFM, and E-LMI
Ethernet CFM and Ethernet OAM Interaction
Configuring Ethernet OAM Interaction with CFM
For Ethernet OAM to function with CFM, you must configure an Ethernet Virtual Circuit (EVC) and the
OAM manager, and associate the EVC with CFM. You must use an inward facing MEP for interaction
with the OAM manager.
Note If you configure, change, or remove a UNI service type, EVC, Ethernet service instance, or CE-VLAN
configuration, all configurations are verified to ensure that the UNI service types match the EVC
configuration and that Ethernet service instances are matched with the CE-VLAN configuration.
Configurations are rejected if the pairs do not match.
Configuring the OAM Manager
Beginning in privileged EXEC mode, follow these steps to configure the OAM manager on a PE device:
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
ethernet cfm domain domain-name level level-id Define a CFM domain, set the domain level, and enter
ethernet-cfm configuration mode for the domain. The
maintenance level number range is 0 to 7.
Step 3
service csi-id vlan vlan-id Define a universally unique customer service instance
(CSI) and VLAN ID within the maintenance domain.
• csi-id—String of no more than 100 characters that
identifies the CSI.
• vlan-id—VLAN range is from 1 to 4095. You cannot
use the same VLAN ID for more than one domain at
the same level.
Step 4
exit Return to global configuration mode.
Step 5
ethernet evc evc-id Define an EVC, and enter EVC configuration mode
Step 6
oam protocol cfm svlan vlan-id domain
domain-name
Configure the EVC OAM protocol as CFM, and identify
the service provider VLAN-ID (S-VLAN-ID) for the CFM
domain maintenance level as configured in Steps 2 and 3.
Step 7
exit Return to global configuration mode.
Step 8
Repeat Steps 2 through 7 to define other CFM domains that you want OAM manager to monitor.
Step 9
ethernet cfm enable Globally enable CFM.
Step 10
end Return to privileged EXEC mode.
Step 11
copy running-config startup-config (Optional) Save your entries in the configuration file.