Notes and Constraints
Central Network Constraints
- To use a central network, the following resources must have been created:
- Enterprise router: used to build a central network
- 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, unfrozen, or is recovering.
- 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.
Cloud Connect Resource Quotas
A quota defines the maximum number of resources of a certain type that can be created in a region or account.
For example, an account can create six central networks by default. If two central networks have been created in the account, four more central networks can be created.
To help you save quotas, there are limits on the maximum number of cloud resources that you can create in each region or account.
You can log in to the console to view the default quotas for each resource. To increase the resource quota, you can refer to Applying for a Higher Quota.
Central Network Quotas
| Item | Default Quota | Adjustable |
|---|---|---|
| Central networks in an account | 6 | Yes . |
| Policies for a central network | 500 | Yes . |
| Policy document size (KB) | 10 | No |
| Enterprise routers on a central network as attachments in a region | 1 | No |
| Global DC gateways on a central network as attachments in a region | 3 | Yes . |
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