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Continuity check operations, Ethernet cfm cc ma interval, Ethernet cfm cc ma – LevelOne GTL-2691 User Manual

Page 1329: Interval

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C

HAPTER

44

| CFM Commands

Continuity Check Operations

– 1329 –

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.

S

YNTAX

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: 1-44

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 lifetime field options: 4 - 1 second, 5 - 10 seconds,

6 - 1 minute, 7 - 10 minutes).

D

EFAULT

S

ETTING

4 (100 ms)

C

OMMAND

M

ODE

Global Configuration

C

OMMAND

U

SAGE

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

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 172: show ethernet cfm maintenance-points remote detail - display

Field

Description