This topic describes how to purchase a bandwidth package for a CEN instance. After you purchase a bandwidth package, you can set a cross-region bandwidth value to allow mutual access between network instances in different regions. Mutual access between two instances in the same region does not require a bandwidth package.

Background information

The bandwidth package of a Cloud Enterprise Network (CEN) instance consists of an interconnection bandwidth and interconnected areas. When you purchase a bandwidth package, you must specify the areas to be interconnected. An area consists of one or more Alibaba Cloud regions.
The following table describes the areas and their respective regions.
Area Included regions
Mainland China China (Qingdao), China (Beijing), China (Zhangjiakou), China (Shenzhen), China (Hangzhou), China (Shanghai), China (Hohhot), China (Chengdu)
North America US (Silicon Valley), US (Virginia)
Asia Pacific China (Hong Kong), Singapore, Malaysia (Kuala Lumpur), Japan (Tokyo), Indonesia (Jakarta), India (Mumbai)
Europe Germany (Frankfurt), UK (London)
Australia Australia (Sydney)

Procedure

  1. Log on to the CEN console.
  2. On the Instances page, find the target CEN instance, and then click Manage in the Actions column.
  3. On the CEN page, click the Bandwith Packages tab, and then click Buy Bandwidth Package(Subscription).
  4. Set the bandwidth package parameters, and then click Buy Now to complete the payment. The following table describes the parameters.
    Configuration Description
    CEN ID Select the CEN instance for which you want to purchase a bandwidth package.
    Area Select one area to be interconnected.
    Note You cannot modify the interconnected areas after you purchase the bandwidth package.
    Area Select the other area to be interconnected.
    Note You cannot modify the interconnected areas after you purchase the bandwidth package.
    Bandwidth Set a bandwidth value for the bandwidth package.
    Name Enter a name for the bandwidth package.
    Duration Select a validity period for the bandwidth package.
    Note You cannot delete the bandwidth package after you purchase it unless you open a ticket.