Layer 2 Switching Commands 438Command ModePrivileged Exec, Global Configuration mode and all Configuration submodesUser GuidelinesRefer to IEEE 802.1ag for an explanation of the maintenance associationlevel. Typically, maintenance levels are assigned by the top level networkservice provider.• Out-of-sequence CCM's received—Count of the out-of-sequencecontinuity check messages (CCM's) received• CCM's transmitted—Count of the CCMs transmitted• In order Loopback replies received—Count of the in order loopback repliesreceived• Bad MSDU Loopback Replies received—Count of the number ofloopback replies received with a MAC Service Data Unit that did notmatch the corresponding LBM• Unexpected LTR's received—A count of the number of Link Trace Repliesfore which no LTM was sentExampleshow Ethernet cfm statistics [domain | level <0-7>]Console# show ethernet cfm statistics------------------------------------------------------------------Statistics for 'Domain: domain1, Level: 1, Vlan: 11, MEP Id: 1'------------------------------------------------------------------Out-of-sequence CCM's received : 0CCM's transmitted : 259In-order Loopback Replies received : 5Out-of-order Loopback Replies received: 0Bad MSDU Loopback Replies received : 0Loopback Replies transmitted : 5Unexpected LTR's received : 0------------------------------------------------------------------Statistics for 'Domain: domain1, Level: 1, Vlan: 11, MEP Id: 2'------------------------------------------------------------------Out-of-sequence CCM's received : 0CCM's transmitted : 1In-order Loopback Replies received : 5
