HI
Are you talking about a scenario where PC / host is directly attached to PE?
Example of such is
QinQ with PC directly connected to PE Devices.
+---------------+ +-----------------+ +------------------+ +-----------------+
| | | | | | | |
| 0/0/0+-----------+0/0/1 0/0/0---------+0/0/0 0/0/1+--------+0/0/0 |
+---------------+ +-----------------+ +------------------+ +-----------------+
2200-A 4300-A 4300-B 2200-B
0/0/0-30.30.30.1 svlan 4000 svlan 4000 0/0/0-30.30.30.2
cvlan 100 200 cvlan 100 200
2200-A
set interfaces ge-0/0/0 unit 0 family inet address 30.30.30.1/24
set interfaces vlan unit 100 family inet address 10.10.10.1/24
set interfaces vlan unit 200 family inet address 20.20.20.1/24
set ethernet-switching-options storm-control interface all
set vlans v100 vlan-id 100
set vlans v100 interface ge-0/0/0.0
set vlans v100 l3-interface vlan.100
set vlans v200 vlan-id 200
set vlans v200 interface ge-0/0/0.0
set vlans v200 l3-interface vlan.200
4300-A
set interfaces ge-0/0/0 flexible-vlan-tagging
set interfaces ge-0/0/0 encapsulation extended-vlan-bridge
set interfaces ge-0/0/0 unit 4000 vlan-id 4000
set interfaces ge-0/0/1 flexible-vlan-tagging
set interfaces ge-0/0/1 native-vlan-id 50
set interfaces ge-0/0/1 encapsulation extended-vlan-bridge
set interfaces ge-0/0/1 unit 4000 vlan-id-list 50
set interfaces ge-0/0/1 unit 4000 vlan-id-list 100-200
set interfaces ge-0/0/1 unit 4000 input-vlan-map push
set interfaces ge-0/0/1 unit 4000 output-vlan-map pop
set vlans Svlan interface ge-0/0/0.4000
set vlans Svlan interface ge-0/0/1.4000
set vlans v50 vlan-id 50
4300-B
set interfaces ge-0/0/0 flexible-vlan-tagging
set interfaces ge-0/0/0 encapsulation extended-vlan-bridge
set interfaces ge-0/0/0 unit 4000 vlan-id 4000
set interfaces ge-0/0/1 flexible-vlan-tagging
set interfaces ge-0/0/1 native-vlan-id 50
set interfaces ge-0/0/1 encapsulation extended-vlan-bridge
set interfaces ge-0/0/1 unit 4000 vlan-id-list 50
set interfaces ge-0/0/1 unit 4000 vlan-id-list 100-200
set interfaces ge-0/0/1 unit 4000 input-vlan-map push
set interfaces ge-0/0/1 unit 4000 output-vlan-map pop
set vlans Svlan interface ge-0/0/0.4000
set vlans Svlan interface ge-0/0/1.4000
set vlans v50 vlan-id 50
2200-B
set interfaces ge-0/0/0 unit 0 family inet address 30.30.30.2/24
set interfaces vlan unit 100 family inet address 10.10.10.2/24
set interfaces vlan unit 200 family inet address 20.20.20.2/24
set vlans v100 vlan-id 100
set vlans v100 interface ge-0/0/0.0
set vlans v100 l3-interface vlan.100
set vlans v200 vlan-id 200
set vlans v200 interface ge-0/0/0.0
set vlans v200 l3-interface vlan.200
Thanks
Partha