MEP for an Ethernet Virtual Private Line Service

Configuring Maintenance End Points for an EVPL service

This use case article describes the configuration of the MEP for an Ethernet Virtual Private Line service.

• Configuring of S-VLAN-aware Down MEP on NNI Port and S-VLAN-aware UP MEP on UNI Port for each of S-VLAN in EVPL service.

CLI Configurations

▶ To configure MEP for an EVPL service

1. Enable CFM Global configurations

Your Product# configure terminal
Your Product(config)# ethernet cfm start
Your Product(config)# ethernet cfm enable
Your Product(config)# ethernet cfm offload
Your Product(config)# end
Your Product#

2. Port Configurations

Your Product# configure terminal
Your Product(config)# interface range xl-ethernet 0/1-4
Your Product(config-if-range)# shut
Your Product(config-if-range)# flowcontrol on
Your Product(config-if-range)# mtu 10240
Your Product(config-if-range)# no shut
Your Product(config-if-range)# end

3. Bridge Port related configurations

Your Product# configure terminal
Your Product(config)# bridge-mode provider-edge
Your Product(config)# interface xL-ethernet 0/2
Your Product(config-if)# bridge port-type customerEdgePort
Your Product(config-if)# end
Your Product# configure terminal
Your Product(config)# interface xL-ethernet 0/1
Your Product(config-if)# bridge port-type providerNetworkPort
Your Product(config-if)# end

4. Service VLAN Configurations

Your Product# configure terminal
Your Product(config)# vlan 6
Your Product(config-vlan)# ports xL-ethernet 0/2,0/1 
Your Product(config-vlan)# service-type e-line
Your Product(config-vlan)# end
Your Product#

5. Customer VLAN to service VLAN mapping configuration (EVPL Configuration)

Many-to-one Mapping:

Your Product# configure terminal
Your Product(config)# interface xL-ethernet 0/2
Your Product(config-if)# switchport customer-vlan 100 service-vlan 6
Your Product(config-if)# switchport customer-vlan 101 service-vlan 6
Your Product(config-if)# switchport customer-vlan 102 service-vlan 6
Your Product(config-if)# switchport customer-vlan 103 service-vlan 7
Your Product(config-if)# switchport customer-vlan 104 service-vlan 7
Your Product(config-if)# switchport customer-vlan 105 service-vlan 7
Your Product(config-if)# end

OR

One-to-one Mapping:

Your Product# configure terminal
Your Product(config)# interface xL-ethernet 0/2
Your Product(config-if)# switchport customer-vlan 100 service-vlan 6
Your Product(config-if)# switchport customer-vlan 103 service-vlan 7
Your Product(config-if)# end

6. UP MEP Configurations
   UP MEP-1
   MA and MD level configurations

Your Product# configure terminal
Your Product(config)# ethernet cfm domain format dns-like-name name CUS5 level 5
Your Product(config-ether-ecfm)# service format char-string name CUSMA5 vlan 6
Your Product(config-ether-ecfm)# mep crosscheck mpid 9 vlan 6
Your Product(config-ether-ecfm)# mep crosscheck mpid 10 vlan 6
Your Product(config-ether-ecfm)# end
Your Product#

CCM interval with 3.3 milliseconds

Your Product# configure terminal
Your Product(config)# ethernet cfm cc level 5 vlan 6 interval three-hundred-hertz
Your Product(config)# end
Your Product#

Create UP MEP with MEP ID 9 on VLAN 6

Your Product# configure terminal
Your Product(config)# interface xl-ethernet 0/2
Your Product(config-if)# ethernet cfm mep level 5 inward mpid 9 vlan 6 active
Your Product(config-ether-mep)# end
Your Product#

Enable UP MEP CCM at level 5 on VLAN 6

Your Product# configure terminal
Your Product(config)# switch default
Your Product(config-switch)# ethernet cfm cc enable level 5 vlan 6
Your Product(config-switch)# end

UP MEP-2
MA and MD level configurations

Your Product# configure terminal
Your Product(config)# ethernet cfm domain format dns-like-name name CUS6 level 6
Your Product(config-ether-ecfm)# service format char-string name CUSMA6 vlan 6
Your Product(config-ether-ecfm)# mep crosscheck mpid 11 vlan 6
Your Product(config-ether-ecfm)# mep crosscheck mpid 12 vlan 6
Your Product(config-ether-ecfm)# end
Your Product#

CCM interval with 3.3 milliseconds

Your Product# configure terminal
Your Product(config)# ethernet cfm cc level 6 vlan 6 interval three-hundred-hertz
Your Product(config)# end
Your Product#

Create UP MEP with MEP ID 11 on VLAN 6

Your Product# configure terminal
Your Product(config)# interface xl-ethernet 0/2
Your Product(config-if)# ethernet cfm mep level 6 inward mpid 11 vlan 6 active
Your Product(config-ether-mep)# end
Your Product#

Enable UP MEP CCM at level 5 on VLAN 6

Your Product# configure terminal
Your Product(config)# switch default
Your Product(config-switch)# ethernet cfm cc enable level 6 vlan 6
Your Product(config-switch)# end

UP MEP-3
MA and MD level configurations

Your Product# configure terminal
Your Product(config)# ethernet cfm domain format dns-like-name name CUS7 level 7
Your Product(config-ether-ecfm)# service format char-string name CUSMA7 vlan 7
Your Product(config-ether-ecfm)# mep crosscheck mpid 13 vlan 7
Your Product(config-ether-ecfm)# mep crosscheck mpid 14 vlan 7
Your Product(config-ether-ecfm)# end
Your Product#

CCM interval with 3.3 milliseconds

Your Product# configure terminal
Your Product(config)# ethernet cfm cc level 7 vlan 7 interval three-hundred-hertz
Your Product(config)# end
Your Product#

Create UP MEP with MEP ID 11 on VLAN 6

Your Product# configure terminal
Your Product(config)# interface xl-ethernet 0/2
Your Product(config-if)# ethernet cfm mep level 7 inward mpid 13 vlan 6 active
Your Product(config-ether-mep)# end
Your Product#

Enable UP MEP CCM at level 5 on VLAN 6

Your Product# configure terminal
Your Product(config)# switch default
Your Product(config-switch)# ethernet cfm cc enable level 7 vlan 7
Your Product(config-switch)# end

7. DOWN MEP Configurations

DOWN MEP-1
MA and MD level configurations

Your Product# configure terminal
Your Product(config)# ethernet cfm domain format dns-like-name name CUS2 level 2
Your Product(config-ether-ecfm)# service format char-string name CUSMA2 vlan 6
Your Product(config-ether-ecfm)# mep crosscheck mpid 15 vlan 6
Your Product(config-ether-ecfm)# mep crosscheck mpid 16 vlan 6
Your Product(config-ether-ecfm)# end
Your Product#

CCM interval with 3.3 milliseconds

Your Product# configure terminal
Your Product(config)# ethernet cfm cc level 2 vlan 6 interval three-hundred-hertz
Your Product(config)# end
Your Product#

Create DOWN MEP with MEP ID 13 on VLAN 6

Your Product# configure terminal
Your Product(config)# interface xl-ethernet 0/1
Your Product(config-if)# ethernet cfm mep level 2 mpid 15 vlan 6 active
Your Product(config-ether-mep)# end
Your Product#

Enable DOWN MEP CCM at level 2 on VLAN 6

Your Product# configure terminal
Your Product(config)# switch default
Your Product(config-switch)# ethernet cfm cc enable level 2 vlan 6
Your Product(config-switch)# end

DOWN MEP-2
MA and MD level configurations

Your Product# configure terminal
Your Product(config)# ethernet cfm domain format dns-like-name name CUS3 level 3
Your Product(config-ether-ecfm)# service format char-string name CUSMA3 vlan 6
Your Product(config-ether-ecfm)# mep crosscheck mpid 17 vlan 6
Your Product(config-ether-ecfm)# mep crosscheck mpid 18 vlan 6
Your Product(config-ether-ecfm)# end
Your Product#

CCM interval with 3.3 milliseconds

Your Product# configure terminal
Your Product(config)# ethernet cfm cc level 3 vlan 6 interval three-hundred-hertz
Your Product(config)# end
Your Product#

Create DOWN MEP with MEP ID 17 on VLAN 6

Your Product# configure terminal
Your Product(config)# interface xl-ethernet 0/1
Your Product(config-if)# ethernet cfm mep level 3 mpid 17 vlan 6 active
Your Product(config-ether-mep)# end
Your Product#

Enable DOWN MEP CCM at level 2 on VLAN 6

Your Product# configure terminal
Your Product(config)# switch default
Your Product(config-switch)# ethernet cfm cc enable level 3 vlan 6
Your Product(config-switch)# end

DOWN MEP-3
MA and MD level configurations

Your Product# configure terminal
Your Product(config)# ethernet cfm domain format dns-like-name name CUS4 level 4
Your Product(config-ether-ecfm)# service format char-string name CUSMA4 vlan 7
Your Product(config-ether-ecfm)# mep crosscheck mpid 19 vlan 7
Your Product(config-ether-ecfm)# mep crosscheck mpid 20 vlan 7
Your Product(config-ether-ecfm)# end
Your Product#

CCM interval with 3.3 milliseconds

Your Product# configure terminal
Your Product(config)# ethernet cfm cc level 4 vlan 7 interval three-hundred-hertz
Your Product(config)# end
Your Product#

Create DOWN MEP with MEP ID 17 on VLAN 6

Your Product# configure terminal
Your Product(config)# interface xl-ethernet 0/1
Your Product(config-if)# ethernet cfm mep level 4 mpid 17 vlan 6 active
Your Product(config-ether-mep)# end
Your Product#

Enable DOWN MEP CCM at level 2 on VLAN 6

Your Product# configure terminal
Your Product(config)# switch default
Your Product(config-switch)# ethernet cfm cc enable level 4 vlan 7
Your Product(config-switch)# end

▶ To check MEP Status

Your Product# show ethernet cfm service

▶ To check MEP Defects/Alarm raised

Your Product# show eth cfm errors

▶ To check list of local MEP created on DUT.

Your Product# show ethernet cfm maintenance-points local