In a multi-campus interconnection LANWAN scenario, refer to the following topology campus topology. Which of the descriptions about the design and deployment of the dual-gateway Interlink solution is incorrect?

In a multi-campus interconnection LANWAN scenario, refer to the following topology campus topology. Which of the descriptions about the design and deployment of the dual-gateway Interlink solution is incorrect?

A . Interlink serves as the interconnection port of dual gateway devices and provides forwarding of business (VPN) traffic between devices through sub-interfaces.
B . Complete the synchronization of dual-gateway device information through the Interlink control sub-interface: such as synchronization and backup of application identification results, synchronization and backup of overlay connection information and connection quality information, etc.
C . Interlink can be interconnected using direct links. When the site business traffic is large and the CPE port resources are sufficient, it is recommended that Interlink adopts Eth-trunk link.
D . Interlink cannot borrow the Layer 2 service interface on the CPE LAN side

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Answer: D