Users Guide
• Display the Link Trace Cache.
EXEC Privilege mode
show ethernet cfm traceroute-cache
• Delete all Link Trace Cache entries.
EXEC Privilege mode
clear ethernet cfm traceroute-cache
Example of Viewing the Link Trace Cache
Dell#show ethernet cfm traceroute-cache
Traceroute to 00:01:e8:52:4a:f8 on Domain Customer2, Level 7, MA name Test2 with VLAN 2
------------------------------------------------------------------------------
Hops Host IngressMAC Ingr Action Relay Action
Next Host Egress MAC Egress Action FWD Status
------------------------------------------------------------------------------
4 00:00:00:01:e8:53:4a:f8 00:01:e8:52:4a:f8 IngOK RlyHit
00:00:00:01:e8:52:4a:f8 Terminal MEP
Enabling CFM SNMP Traps
An SNMP trap is sent only when one of the ve highest priority defects occur.
Table 7. Five Highest Priority Defects
Priority Defects Trap Message
Cross-connect defect
%ECFM-5-ECFM_XCON_ALARM: Cross connect fault
detected by MEP 1 in Domain customer1 at
Level 7 VLAN 1000
Error-CCM defect
%ECFM-5-ECFM_ERROR_ALARM: Error CCM Defect
detected by MEP 1 in Domain customer1 at
Level 7 VLAN 1000
MAC Status defect
%ECFM-5-ECFM_MAC_STATUS_ALARM: MAC Status
Defect detected by MEP 1 in Domain provider
at Level 4 VLAN 3000
Remote CCM defect
%ECFM-5-ECFM_REMOTE_ALARM: Remote CCM Defect
detected by MEP 3 in Domain customer1 at
Level 7 VLAN 1000
RDI defect
%ECFM-5-ECFM_RDI_ALARM: RDI Defect detected
by MEP 3 in Domain customer1 at Level 7 VLAN
1000
Three values are given within the trap messages: MD Index, MA Index, and MPID. You can reference these values against the output
of the show ethernet cfm domain and show ethernet cfm maintenance-points local mep commands
To enable CFM SNMP traps, use the following command.
• Enable SNMP trap messages for Ethernet CFM.
CONFIGURATION mode
snmp-server enable traps ecfm
Example of Viewing CFM SNMP Trap Information
Dell#show ethernet cfm maintenance-points local mep
--------------------------------------------------------------------
MPID Domain Name Level Type Port CCM-Status
88
802.1ag










