Constraints
Cloud Connection Constraints
Resource |
Quota |
How to Increase Quota |
---|---|---|
Cloud connections allowed in each Huawei Cloud account |
6 |
|
Regions per a cloud connection |
6 |
|
Network instances allowed in each region |
6 |
Submit a service ticket. You can request up to 10 network instances. |
Bandwidth packages for each cloud connection |
1 |
The quota cannot be increased. |
Routes for a cloud connection |
50 |
Note the following when you use Cloud Connect:
- A cloud connection cannot be created between VPCs that have overlapping CIDR blocks, or network communications will fail.
- If you load a VPC to a cloud connection created using the same account, you cannot enter loopback addresses, multicast addresses, or broadcast addresses for the custom CIDR block.
- If a NAT gateway has been created for any VPC you have loaded to a cloud connection, a custom CIDR block needs to be added and set to 0.0.0.0/0.
Central Network Constraints
- To use a central network, the following resources must have been created:
- Enterprise router: used to build a central network
- Global DC gateway: attached to an enterprise router for allowing on-premises data centers to access the cloud across regions
- Policy management
- A central network can only have one policy. If you apply another policy for this central network, the policy that was previously applied will be automatically cancelled.
- In each policy, only one enterprise router can be added for a region. All added enterprise routers can communicate with each other by default.
- A policy that is being applied or cancelled cannot be deleted.
- Cross-site connection bandwidth management
- A cross-site connection bandwidth cannot be changed or deleted when it is being created, updated, deleted, frozen, recovering, or unfrozen.
- The total of cross-site connection bandwidths cannot exceed the global connection bandwidth.
- If a cross-site connection bandwidth is deleted, you will still be billed for the global connection bandwidth.
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