KubernetesNetworkConfigRequest - Amazon EKS


The Kubernetes network configuration for the cluster.



The CIDR block to assign Kubernetes service IP addresses from. If you don't specify a block, Kubernetes assigns addresses from either the or CIDR blocks. We recommend that you specify a block that does not overlap with resources in other networks that are peered or connected to your VPC. The block must meet the following requirements:

  • Within one of the following private IP address blocks:,, or

  • Doesn't overlap with any CIDR block assigned to the VPC that you selected for VPC.

  • Between /24 and /12.


You can only specify a custom CIDR block when you create a cluster and can't change this value once the cluster is created.

Type: String

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: