Configuring Maintenance End Points
  • 27 Jun 2023
  • 3 Minutes to read
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Configuring Maintenance End Points

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Article summary

This article describes the configuration of the MEP.


Note: The MD and MA must be configured prior to the configuration of the MEP.

CLI Configurations

To configure MEP

  1. Execute the steps given in SNMP Configurations for configuring the MA to which MEP needs to be associated.

  2. Enter into the ECFM configuration mode and statically define an MEP in a MA-MEP list within a MA.
    your product(config-ether-ecfm)# mep crosscheck mpid 5 vlan 101


    Note: VLAN-Unaware MEP can be defined without specifying the vlan parameter in the command

  3. Make the port 10 as member port of VLAN 101 and configure the VLAN 101 as active.
    your product(config)# vlan 101
    your product(config-vlan)# ports gigabitethernet 0/10
    your product(config-vlan)# vlan active

  4. Enter into the interface configuration mode.
    your product(config)# interface gigabitethernet 0/10

  5. Configure MEP on the interface in the MD and MA.
    your product(configure-if)#ethernet cfm mep level 7 mpid 5 vlan 101


    Note: In the command inward keyword needs to be specified for up (inward) direction MEP. Otherwise MEP will be configured as down (outward) direction MEP

  6. Enable the configured MEP.
    your product(config-if)# ethernet cfm mep level 7 mpid 5 vlan 101 active

To delete MEP

  1. Enter into the interface configuration mode and disable the configured MEP.
    your product(config-if)# no ethernet cfm mep level 7 mpid 5 vlan 101 active

  2. Remove the MEP configuration fromm the interface.
    your product(config-if)# no ethernet cfm mep level 7 mpid 5 vlan 101**

  3. Return to the global configuration mode.
    your product(config-if)# exit


    Notes:
    Port (on which the MEP is configured) and VLAN (VLAN with which MEP is associated) must exist and must be set as UP, and ECFM must be enabled on the port, for starting VLAN Aware MEP functionality.

    vlan keyword should not be provided with the command for configuration of VLAN-Unaware MEP.

    MEP must be enabled explicitly as MEP is disabled by default.

    User can enter MEP configuration mode by executing ethernet cfm mep level mpid vlan command. Where user can configure ccm unicast mac address, client’s mac address for AIS and LCK, drop eligibility and vlan priority of various CFM PDUs, threshold values for delay and loss functionality, capabilities, offload status etc.


SNMP Configurations

To configure MEP

  1. Execute the steps given in Configuring Maintenance Association ► SNMP Configurations for configuring the MA to which MEP needs to be associated.

  2. Configure the MEP ID 5 in the corresponding MA-MEP list. [Index: ContextID = 0, MD-Index = 1, MA-Index = 1, MEP-ID = 5]
    % snmp0 set {{fsMIEcfmMaMepListRowStatus.0.1.1.5 createAndWait }}
    % snmp0 set {{fsMIEcfmMaMepListRowStatus.0.1.1.5 active }}

  3. Configure the Up MEP at the interface 10. [Index: ContextID = 0, MD-Index = 1, MA-Index = 1, MEP-ID = 5]
    % snmp0 set {{fsMIEcfmMepRowStatus.0.1.1.5 createAndWait }}
    % snmp0 set {{fsMIEcfmMepPrimaryVid.0.1.1.5 101 }}
    % snmp0 set {{fsMIEcfmMepDirection.0.1.1.5 up }}
    % snmp0 set {{fsMIEcfmMepIfIndex.0.1.1.5 10 }}
    % snmp0 set {{fsMIEcfmMepRowStatus.0.1.1.5 active }}

  4. Enable the configured MEP. [Index: ContextID = 0, MD-Index = 1, MA-Index = 1, MEP-ID = 5]
    % snmp0 set {{fsMIEcfmMepRowStatus.0.1.1.5 notInService }}
    % snmp0 set {{fsMIEcfmMepActive.0.1.1.5 true }}
    % snmp0 set {{fsMIEcfmMepRowStatus.0.1.1.5 active }}

To delete configured MEP

  1. Set the MEP row status as destroy. [Index: ContextID = 0, MD-Index = 1, MA-Index = 1, MEP-ID = 5]

% snmp0 set {{fsMIEcfmMepRowStatus.0.1.1.5 destroy }}


Note: On enabling ECFM, if the MEP is configured as Active, LBM and LTM messages can be transmitted and received. If Y.1731 feature is enabled, then DM, FL (Frame Loss), TST, AIS, and LCK messages can also be transmitted and received.

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