1-8 
[ProviderA] interface gigabitethernet 1/0/2 
[ProviderA-GigabitEthernet1/0/2] port link-type hybrid 
[ProviderA-GigabitEthernet1/0/2] port hybrid pvid vlan 50 
[ProviderA-GigabitEthernet1/0/2] port hybrid vlan 50 untagged 
# Enable basic QinQ on GigabitEthernet 1/0/2.  
[ProviderA-GigabitEthernet1/0/2] qinq enable 
[ProviderA-GigabitEthernet1/0/2] quit 
z  Configure GigabitEthernet 1/0/3 
# Configure GigabitEthernet 1/0/3 as a trunk port to permit frames of VLAN 10 and 50 to pass through.  
[ProviderA] interface gigabitethernet 1/0/3 
[ProviderA-GigabitEthernet1/0/3] port link-type trunk 
[ProviderA-GigabitEthernet1/0/3] port trunk permit vlan 10 50  
# Set the TPID value in the outer tag to 0x8200.  
[ProviderA-GigabitEthernet1/0/3] quit 
[ProviderA] qinq ethernet-type 8200 
2)  Configuration on Provider B 
z  Configure GigabitEthernet 1/0/1 
# Configure VLAN 50 as the default VLAN of GigabitEthernet 1/0/1. 
<ProviderB> system-view 
[ProviderB] interface gigabitethernet 1/0/1 
[ProviderB-GigabitEthernet1/0/1] port access vlan 50 
# Enable basic QinQ on GigabitEthernet 1/0/1.  
[ProviderB-GigabitEthernet1/0/1] qinq enable 
[ProviderB-GigabitEthernet1/0/1] quit 
z  Configure GigabitEthernet 1/0/2 
# Configure GigabitEthernet 1/0/2 as a hybrid port and configure VLAN 10 as the default VLAN of the 
port.  
[ProviderB] interface gigabitethernet 1/0/2 
[ProviderB-GigabitEthernet1/0/2] port link-type hybrid 
[ProviderB-GigabitEthernet1/0/2] port hybrid pvid vlan 10 
[ProviderB-GigabitEthernet1/0/2] port hybrid vlan 10 untagged 
# Enable basic QinQ on GigabitEthernet 1/0/2.  
[ProviderB-GigabitEthernet1/0/2] qinq enable 
[ProviderB-GigabitEthernet1/0/2] quit 
z  Configure GigabitEthernet 1/0/3 
# Configure GigabitEthernet 1/0/3 as a trunk port to permit frames of VLAN 10 and 50 to pass through.  
[ProviderB] interface gigabitethernet 1/0/3 
[ProviderA-GigabitEthernet1/0/B] port link-type trunk 
[ProviderA-GigabitEthernet1/0/B] port trunk permit vlan 10 50  
# Set the TPID value in the outer tag to 0x8200.  
[ProviderB-GigabitEthernet1/0/3] quit 
[ProviderB] qinq ethernet-type 8200 
3)  Configuration on third-party devices