In the multi-campus interconnection LAN-WAN convergence scenario, refer to the following topology [Campus topology-8 [The description of the design and deployment of the dual-gateway Interlink solution is incorrect ()
- Synchronize information between dual-gateway devices through the interlink control sub- interface, such as the synchronization and backup of application recognition results, overlay connection information, and connection quality information. Interlink serves as a dual-gateway device interconnection interface that forwards inter-device (VPN) traffic through sub-interfaces.
- Interlink serves as a dual-gateway device interconnection interface, providing forwarding of inter- device service (VPN) traffic through sub-interfaces.
- Interlink can be interconnected with a direct link, and when the site service traffic is large and the CPE port resources are sufficient, it is recommended that Interlink use an Eth-trunk link. Interlink cannot borrow Layer 2 service interfaces on the CPELAN side.
- Interlink cannot borrow the Layer 2 service interface on the CPE LAN side
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