If you want to create identical prefix lists in multiple regions, you can use the prefix list clone feature to create identical prefix lists in multiple regions in a quick manner.

Prerequisites

If RAM users are used, the RAM users are granted permissions on prefix lists. For more information, see Grant RAM users permissions on prefix lists.
Note The prefix list feature is available only in some regions.

Procedure

  1. Log on to the ECS console.
  2. In the left-side navigation pane, choose Network & Security > Prefix List.
  3. In the top navigation bar, select a region.
  4. On the Prefix List page, find the prefix list that you want to clone and click Clone in the Actions column.
  5. In the Clone Prefix List dialog box, modify the Region, Name, and Description parameters.
  6. Click Clone.
    After the prefix list is cloned, you can switch to the intended region to view the cloned prefix list.