128# Create Ethernet subinterface GigabitEthernet 2/1/7.100 and enter subinterface view. Assignan IP address to the Ethernet subinterface, enable QinQ termination on it, and specify the innerVLAN ID of the QinQ packets that can be terminated by it. system-view[Router] interface GigabitEthernet2/1/7.100[Router-GigabitEthernet2/1/7.100] ip address 1.1.1.11 255.255.255.0[Router-GigabitEthernet2/1/7.100] second-dot1q 11[Router-GigabitEthernet2/1/7.100] quit[Router] interface GigabitEthernet 2/1/6[Router-GigabitEthernet2/1/6] ip address 1.1.2.11 255.255.255.05. Configure Switch C:Use Switch C’s factory configuration.Ambiguous QinQ termination configuration exampleNetwork requirementsAs shown in Figure 50, Host A, Host B and Host C are connected to Switch A and they belong to VLAN11, VLAN 12 and VLAN 13 respectively. The server group is connected to Switch C. QinQ is enabled onSwitch B. Host A, Host B, and Host C need to communicate with the server group.Figure 50 Network diagramConfiguration procedure1. Configure Host A, Host B, and Host C:{ Configure Host A’s IP address as 1.1.1.1/24, and gateway IP address as 1.1.1.11/24.{ Configure Host B’s IP address as 1.1.1.2/24, and gateway IP address as 1.1.1.11/24.{ Configure Host C’s IP address as 1.1.1.3/24, and gateway IP address as 1.1.1.11/24.2. Configure Switch A: system-view
