interfaces {
    ge-0/0/0 {
        description Uplink-QinQ-aware-provider-port;
        unit 0 {
            family ethernet-switching {
                port-mode trunk;
                vlan {
                    members [ admin vlan4000 ];
                }
            }
        }
    }
    ge-0/0/1 {
        description QinQ-client-port;
        mtu 1522;
        unit 0 {
            family ethernet-switching {
                port-mode access;
                vlan {
                    members vlan4000;
                }
            }
        }
    }
}
vlans {
    vlan4000 {
        description Transmission-QinQ;
        vlan-id 4000;
        dot1q-tunneling {
            customer-vlans [ 600-900 265-270 ];
        }
    }
    admin {
        vlan-id 999;
        interface {
            ge-1/0/2.0;
        }
        l3-interface vlan.0;
    }
}