3Com 4510G Configuration Manual page 180

Figure 10-5 Network diagram for comprehensive selective QinQ configuration
Configuration procedure
Make sure that the devices in the service provider network have been configured to allow QinQ
packets to pass through.
1) Configuration on Provider A
Configure GigabitEthernet 1/0/1
# Configure GigabitEthernet 1/0/1 as a hybrid port to permit frames of VLAN 1000 and VLAN 2000 to
pass through, and configure GigabitEthernet 1/0/1 to send packets of these VLANs with tags removed.
<ProviderA> system-view
[ProviderA] interface gigabitethernet 1/0/1
[ProviderA-GigabitEthernet1/0/1] port link-type hybrid
[ProviderA-GigabitEthernet1/0/1] port hybrid vlan 1000 2000 untagged
# Tag CVLAN 10 frames with SVLAN 1000.
[ProviderA-GigabitEthernet1/0/1] qinq vid 1000
[ProviderA-GigabitEthernet1/0/1-vid-1000] raw-vlan-id inbound 10
[ProviderA-GigabitEthernet1/0/1-vid-1000] quit
# Tag CVLAN 20 frames with SVLAN 2000.
[ProviderA-GigabitEthernet1/0/1] qinq vid 2000
[ProviderA-GigabitEthernet1/0/1-vid-2000] raw-vlan-id inbound 20
[ProviderA-GigabitEthernet1/0/1-vid-2000] quit
[ProviderA-GigabitEthernet1/0/1] quit
Configure GigabitEthernet 1/0/2
# Configure GigabitEthernet 1/0/2 as a hybrid port to permit frames of VLAN 1000 to pass through, and
configure GigabitEthernet 1/0/2 to send packets of VLAN 1000 with tag removed.
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