28ViewLayer 2 Ethernet interface viewDefault level2: System levelParametersservice-instance instance-id: Specifies the service instance ID in the range of 1 to 32767.mep mep-id: Specifies the ID of a MEP, in the range of 1 to 8191.DescriptionUse cfd cc enable to enable CCM sending on a specified MEP.Use undo cfd cc enable to disable CCM sending on a specified MEP.By default, the CCM sending function is disabled.Related commands: cfd cc interval.Examples# On port GigabitEthernet 3/0/1, enable CCM sending on MEP 3 in service instance 5. system-view[Sysname] interface GigabitEthernet3/0/1[Sysname-GigabitEthernet3/0/1] cfd cc service-instance 5 mep 3 enablecfd cc intervalSyntaxcfd cc interval interval-value service-instance instance-idundo cfd cc interval service-instance instance-idViewSystem viewDefault level2: System levelParametersinterval interval-value: Specifies the value of the interval field in CCM messages. The interval-valueargument is in the range of 2 to 7.service-instance instance-id: Specifies the service instance ID in the range of 1 to 32767.DescriptionUse cfd cc interval to set the value of the interval field in the CCM messages.Use undo cfd cc interval to restore default.By default, the value of this field is 4 for all CCMs sent.Only the MPUs with silkscreen LSR1SRP2C1, LSR1SRP2C2, or LSR1SRP2D1 have assistant CPUs.If the switch has two MPUs with assistant CPUs, the CCM frames will be sent by the active MPU. If theactive MPU is removed, the standby MPU will take over to send CCM frames and CC will bere-performed.
