efd
To enable Ethernet Fault Detection (EFD) on all down Maintenance End Points (MEPs) in a down MEPs
service, use the efd command in CFM domain service configuration mode. To disable EFD, use the no form
of this command.
efd{protection-switching}
no efd
Syntax Description
Enables protection switching, which causes high-priority notifications to be sent when
peer MEPs specified for cross-check time out, or when CCMs are received with the
RDI bit set.
The high-priority notifications only apply to MEPs that are offloaded. In the
case of non-offloaded MEPs, enabling protection switching has no effect,
and the command only enables EFD.
Note
protection-switching
Command Default
EFD is disabled.
Command Modes
CFM domain service configuration (config-cfm-dmn-svc)
Command History
ModificationRelease
This command was introduced.Release 3.9.1
The protection-switching keyword was included.Release 4.3.1
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
EFD can only be enabled for down MEPs within a down MEPs service.
If the efd command is issued when any MEP in the service has any of the following error conditions, the MEP
will shut down the interface:
•
The MEP appears cross-connected to another MAID.
•
The MEP is receiving invalid CCMs, such as receiving its own MAC or MEP-ID.
•
All peer MEPs are reporting a state other than UP via the Port Status TLV.
•
A peer MEP is reporting a state other than UP in Interface Status TLV.
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
203
Ethernet OAM Commands on the Cisco ASR 9000 Series Router
efd
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