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Application of MQC-based Selective QinQ
As shown in Figure 6-6, video and data information is stored on the servers. A user device transmits IPTV and Internet access services, and connects to the server through the enterprise backbone network. SwitchB and SwitchC are edge devices of the enterprise backbone network. To save VLAN IDs on the enterprise backbone network, traffic needs to be transparently transmitted on the enterprise backbone network. In addition, IPTV services need to be transmitted only on the video server, Internet access services need to be transmitted only on the data server, and different services need to be differentiated. MQC-based Selective QinQ can be configured on SwitchB and SwitchC to meet the preceding requirements.
