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  1. Documentation
  2. DOCS-10155

Clarify Atlas VPC CIDR Block /21 Requirement

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    • Icon: Task Task
    • Resolution: Fixed
    • Icon: Major - P3 Major - P3
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    Description

      When peering VPCs with their Atlas VPC, users are able to modify their group's Atlas CIDR block if there are not any active clusters within their Atlas group.

      However, it's a strict requirement that the Atlas CIDR block end with /21. If users attempt to modify the Atlas CIDR block to end in anything other than /21, they will receive the following error:

      Atlas CIDR must be a /21 block

      It may be important to include this requirement within the Set up VPC Peering Connection and VPC API sections of the Atlas documentation.

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            ravind.kumar Ravind Kumar (Inactive)
            luke.phillippi Luke Phillippi
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            Dates

              Created:
              Updated:
              Resolved:
              6 years, 42 weeks, 1 day ago