To let add other vlans inside vlan 3869, follow the example. This model adds vlans 2 and 4 inside vlan 3869 to be transported, which can be delivered on top of a vlanif or other sub-interface with qinq configured. Below is the example:
interface XGigabitEthernet0/0/6
port link-type hybrid
qinq vlan-translation enable
port hybrid untagged vlan 3869
interface XGigabitEthernet0/0/6.3869
qinq stacking vid 2 pe-vid 3869
qinq stacking vid 4 pe-vid 3869
l2 binding vsi VPLS_v3869
OBS:
Only vlan 3869 is created in global