CLI Reference Guide-R04

Chapter 27 | CFM Commands
Continuity Check Operations
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Continuity Check Operations
ethernet cfm cc ma
interval
This command sets the transmission delay between continuity check messages
(CCMs). Use the no form to restore the default settings.
Syntax
ethernet cfm cc md domain-name ma ma-name interval interval-level
no ethernet cfm cc ma ma-name interval
domain-name – Domain name. (Range: 1-43 alphanumeric characters)
ma-name – Maintenance association name. (Range: 1-43 alphanumeric
characters)
interval-level – The transmission delay between connectivity check
messages. The setting for this parameter is expressed as levels 4 through 7,
which in turn map to specific intervals of time. (CCM interval field options:
4 - 1 second, 5 - 10 seconds, 6 - 1 minute, 7 - 10 minutes)
Default Setting
4 (1 second)
Command Mode
Global Configuration
Command Usage
◆ CCMs provide a means to discover other MEPs and to detect connectivity
failures in an MA. If any MEP fails to receive three consecutive CCMs from any
other MEPs in its MA, a connectivity failure is registered. The interval at which
Port State Port states include:
Up – The port is functioning normally.
Blocked – The port has been blocked by the Spanning Tree Protocol.
No port state – Either no CCM has been received, or nor port status TLV
was received in the last CCM.
Interface State Interface states include:
No Status – Either no CCM has been received, or no interface status TLV
was received in the last CCM.
Up – The interface is ready to pass packets.
Down – The interface cannot pass packets.
Testing – The interface is in some test mode.
Unknown – The interface status cannot be determined for some reason.
Dormant – The interface is not in a state to pass packets but is in a pending
state, waiting for some external event.
Not Present – Some component of the interface is missing.
isLowerLayerDown – The interface is down due to state of the lower layer
interfaces.
Crosscheck Status Shows if crosscheck function has been enabled.
Table 157: show ethernet cfm maintenance-points remote detail - display
Field Description