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Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Chapter Configuring Ethernet CFM and Y.1731 Performance Monitoring on Layer 3 Interfaces
CFM Support on Routed Port and Port MEP
100 customer 0026.99f7.0b41 Up Up
7 customer Gi0/2.1101
- customer1101 S, C 100, 30 N/A
N/A 40s
MPID: 110 Domain: customer MA: customer1101
44 carrier 0026.99f7.0b41 Up Up
2 carrier Gi0/2.2
- carrier S, C 50, 20 N/A
N/A 40s
MPID: 43 Domain: carrier MA: carrier
400 enterprise 0026.99f7.0b41 Up Up
6 enterprise Gi0/1.1
- custservice S, C 200, 70 N/A
N/A 40s
MPID: 410 Domain: enterprise MA: custservice
Router2#
Use the ping command to verify if Ethernet CFM loopback messages are successfully sent and received
between the routers:
Router#ping ethernet mpid 100 domain customer service customer1101 cos 5
Type escape sequence to abort.
Sending 5 Ethernet CFM loopback messages to 8843.e154.6f01, timeout is 5 seconds:!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms
Router#
Use the traceroute command to send the Ethernet CFM traceroute messages:
Router#traceroute ethernet mpid 100 domain customer service customer1101
Type escape sequence to abort. TTL 64. Linktrace Timeout is 5 seconds
Tracing the route to 8843.e154.6f01 on Domain customer, Level 7, service customer1101,
vlan 100 inner-vlan 30
Traceroute sent via Gi0/2.1101
B = Intermediary Bridge
! = Target Destination
* = Per hop Timeout
--------------------------------------------------------------------------------
MAC Ingress Ingr Action Relay Action
Hops Host Forwarded Egress Egr Action Previous Hop
--------------------------------------------------------------------------------
! 1 8843.e154.6f01 Gi0/2.1101 IngOk RlyHit:MEP
Not Forwarded 5657.a86c.fa92
Use the show ethernet cfm error configuration command to view Ethernet CFM configuration errors
(if any). The following is a sample output of the show ethernet cfm error configuration command:
Router#show ethernet cfm error configuration
--------------------------------------------------------------------------------
CFM Interface Type Id Level Error type
--------------------------------------------------------------------------------
Gi0/2 S,C 100,30 5 CFMLeak
Gi0/2 S,C 100,30 1 CFMLeak
Troubleshooting Ethernet CFM Configuration
Table 3 lists the debug commands to troubleshoot issues pertaining to the Ethernet CFM configuration.
The Cisco IOS Master Command List at
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