To connect networks in different regions, you must buy a bandwidth package and set cross-region bandwidths.

What is the bandwidth package

The CEN bandwidth package is an abstracted object that includes an interconnection bandwidth and interconnection areas. To buy a bandwidth package, you must specify the areas to connect. An area consists of one or more Alibaba Cloud regions. The areas in CEN include Mainland China, Asia Pacific, North America, and Europe.

The relationship between a region and a region is shown in the following table:
Area Regions
Mainland China China (Qingdao), China (Beijing), China (Zhangjiakou), China (Shenzhen), China (Hangzhou), China (Shanghai), China (Hohhot)
North America US (Silicon Valley), US (Virginia)
Asia Pacific Hong Kong, Singapore, Malaysia (Kuala Lumpur), Japan (Tokyo)
Europe Germany (Frankfurt), UK (London)
Australia Australia (Sydney)

Buy a bandwidth package

To connect networks in different regions, you must buy a bandwidth package and set cross-region bandwidths. Connecting networks in the same region does not require a bandwidth package.

Note To delete a bandwidth package, you must open a ticket.

To buy a bandwidth package, complete these steps:

  1. Log on to the CEN console.
  2. Click the ID of the target cloud enterprise instance.
  3. On the Bandwidth Packages page, click Buy Bandwidth Package, and then click Buy Bandwidth Package (Subscription).
  4. Configure the bandwidth package according to the following information:
    Configuration Description
    Cloud Enterprise Network Select the CEN instance that requires a bandwidth package.
    Areas Select the areas to connect.
    Bandwidth Select the bandwidth of the bandwidth package.
    Note The interconnection area cannot be modified after the bandwidth package is created.
    Bandwidth Package Name Enter the name of the bandwidth package.

Unbind bandwidth package

You can unbind bandwidth packets from an instance of cloud enterprise network, this bandwidth package can then be bound to other cloud Enterprise Network instances.

Notice
  • Before deleting a bandwidth package, delete region connections using the bandwidth package.
  • The bandwidth package is still charged even if it is unbound from a CEN instance. To avoid additional charges, open a ticket to delete the bandwidth package.

To unbind a bandwidth package, complete these steps:

  1. Log on to the CEN console.
  2. Click the ID of the target cloud enterprise instance.
  3. On the CEN page, click Bandwidth Packages.
  4. Click the Unbind option under the Action column of the target bandwidth package.
  5. In the displayed dialog, click Confirm.

Bind bandwidth package

You can bind an unbound bandwidth package to another CEN instance.

To bind a bandwidth package, complete these steps:

  1. Log on to the CEN console.
  2. Click the ID of the target cloud enterprise instance.
  3. On the CEN page, click the Bandwidth Packages tab.
  4. Click the Bind option under the Action column of the target bandwidth package.
  5. In the displayed dialog, click Confirm.

Modify bandwidth

You can change the bandwidth of the bandwidth package at any time, and the change takes effect immediately.

To modify the bandwidth, complete these steps:

  1. Log on to the CEN console.
  2. Click the ID of the target cloud enterprise instance.
  3. On the CEN page, click the Bandwidth Packages tab.
  4. Click the Downgrade or the Upgrade option under the Bandwidth column of the target bandwidth package.
  5. Modify the bandwidth, and then complete the payment.

Renew a bandwidth package

To renew a bandwidth package, complete these steps:

  1. Log on to the CEN console.
  2. Click the ID of the target cloud enterprise instance.
  3. On the CEN page, click the Bandwidth Packages tab.
  4. Click the Renew option under the Action column of the target bandwidth package.


  5. Select the renew duration and complete the payment.