Policy: AWS > Well-Architected Tool > AWS Well-Architected Framework > Reliability > REL 02. How do you plan your network topology? > Enforce non-overlapping private IP address ranges in all private address spaces where they are connected

The IP address ranges of each of your VPCs must not overlap when peered or connected via VPN. You must similarly avoid IP address conflicts between a VPC and on-premises environments or with other cloud providers that you use. You must also have a way to allocate private IP address ranges when needed.

See Enforce non-overlapping private IP address ranges in all private address spaces where they are connected for more information.

Resource Types

This policy targets the following resource types:

AWS > Well-Architected Tool > AWS Well-Architected Framework

Primary Policy

This policy is used with the following primary policy:

AWS > Well-Architected Tool > AWS Well-Architected Framework > Reliability > REL 02. How do you plan your network topology?

Controls

Policy Specification

Schema Type	`string`
Default	`Skip`
Valid Values [YAML]	`Skip` `True` `False`

In Your Workspace

Policy Settings by Type report

Developers

Category URI

tmod:@turbot/turbot#/control/categories/other

Policy Type URI

tmod:@turbot/aws-wellarchitected-framework#/policy/types/rel02NonOverlapIp

GraphQL

query policyType(id: "tmod:@turbot/aws-wellarchitected-framework#/policy/types/rel02NonOverlapIp") { … }

query policySettings(filter: "policyTypeId:'tmod:@turbot/aws-wellarchitected-framework#/policy/types/rel02NonOverlapIp'") { … }

query policyValues(filter: "policyTypeId:'tmod:@turbot/aws-wellarchitected-framework#/policy/types/rel02NonOverlapIp'") { … }

CLI

Get Policy Type

turbot graphql policy-type --id "tmod:@turbot/aws-wellarchitected-framework#/policy/types/rel02NonOverlapIp"

Get Policy Settings

turbot graphql policy-settings --filter "policyTypeId:tmod:@turbot/aws-wellarchitected-framework#/policy/types/rel02NonOverlapIp"