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          Express Tunnel

          Use Limit

          If physical express tunnels are used to achieve traffic interconnection, the following requirements shall be met:

          • After the construction of physical express tunnels and configuration of express tunnel gateways are completed, if traffic interconnection of the two ends is required, a routing entry pointing to the peer network shall be configured in the routing table at both ends, and the next hop of the local VPC routing table shall point to the corresponding express tunnel gateway;
          • One channel of a physical private line can only connect to one dedicated Gateway within the VPC for a VPC;
          • The local access points of the express tunnel gateway and the physical express tunnel shall be in the same region;
          • Express tunnel peer network and local VPC CIDR cannot overlap;
          • At present, only single-line access is supported for express tunnel gateways and physical express tunnels standards, and dual-line and multi-line require offline non-standard support;
          • At present, express tunnel gateways and physical express tunnel only support static routing protocol access. Other routing protocol support requires non-standard support.

          For the specifications of express tunnels, please see the following table:

          Description Limit Comments
          Create upper limit of express tunnel gateways for a single account 10 Application by Ticket can be made for going beyond the limit
          Create upper limit of express tunnel gateways in a single VPC 10 Application by Ticket can be made for going beyond the limit
          Create upper limit of physical express tunnels for single account 5 Application by Ticket can be made for going beyond the limit
          Upper limit of channels of a single physical express tunnel 10 Application by Ticket can be made for going beyond the limit
          Speed limit of the express tunnel gateway 2Mbps-10000Mbps You can configure:
          Upper limit of the bandwidth of physical express tunnels 2Mbps-10000Mbps You can configure:
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