How Do I Connect Four Subnets?

Figure 1 shows the network topology.

Figure 1 Network topology
Click to enlarge

Use a VPN connection or Direct Connect connection to connect IDC 1 to VPC 1.
Use a Cloud Connect connection to connect VPC 1 to VPC 2. (You can also use a VPC peering connection to connect VPC 1 to VPC 2 if they are in the same region.)
Use a VPN connection or Direct Connect connection to connect VPC 2 to IDC 2.
Update VPN subnets, Cloud Connect subnet routes, and Direct Connect subnet routes. Then, the four subnets are reachable to reach other.

Parent topic: Networking and Application Scenarios

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