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Note: This procedure uses a Juniper Networks EX Series Ethernet Switch for the Layer 2 CPE.

To configure the Layer 2 CPE requirements:

Configure the Ethernet interfaces and VLAN.
1. Configure the Ethernet interfaces.
  [edit]user@host# edit interfaces ge-0/0/10 unit 0 family ethernet-switchinguser@host set port-mode trunk user@host set port-mode access
2. Configure the VLAN.
  [edit interfaces ge-1/0/0 unit 0 family ethernet-switching]user@host# edit vlans vlan-id 106 user@host# set interface ge-0/0/10.0user@host# set interface ge-0/0/9.0
Configure the maintenance domain, maintenance association, and MEP.
1. Create the maintenance domain.
  [edit]user@host# edit protocols oam ethernet connectivity-fault-management user@host# maintenance-domain acme-mduser@host# set level 3
2. Create the maintenance association and configure the continuity check.
  [edit protocols oam ethernet connectivity-fault-management maintenance-domain acme-md]user@host# set maintenance-association acme user@host# set continuity-check 100ms user@host# set interval 100ms user@host# set hold-interval 1
3. Create local the MEP and assign the interface to it.
  [edit protocols oam ethernet connectivity-fault-management maintenance-domain acme-md]user@host# set mep 101 user@host# set interface ge-0/0/10.0 vlan vlan-id 106 user@host# set direction down user@host# set auto-discovery