CFM LBM message is generated when the CFM loopback test is performed. The packet is destined to the MAC address which the loopback test intends to reach. You can verify the connectivity using the CFM loopback command.
device# cfm loopback domain md1 ma ma1 src-mep 101 target-mep 200
Following are the parameters which you can configure for the CFM loopback domain command.
The domain name parameter specifies the maintenance domain to be used for a loopback message. The name attribute is case-sensitive.
The ma ma-name parameter specifies the maintenance association to be used for a loopback message. The ma-name attribute is case-sensitive.
The src-mep mep-id parameter specifies the Source ID in the range 1-8191.
The target- mip HHHH:HHHH:HHHH parameter specifies the MAC address of the MIP loopback destination.
The target-mep mep-id parameter specifies the Destination ID in the range 1-8191.
The number number parameter specifies the number of loopback messages to be sent.
The timeout timeout parameter specifies the timeout used to wait for loopback reply.