Right now i have a public subnet : CIDR I want to add a new subnet on my current vpc to be able to use RDS service.

When i try to add a new subnet with CIDR, i got this message : CIDR is not within the CIDR ranges of VPC

My current VPC is

Any help ?

  • did you mean 'Right now i have a VPC"? Otherwise it makes not much sense – Putnik Apr 9 '17 at 6:52

AWS is correct. is to You're trying to add something outside this range, 10.0.1.x

You probably meant to create your VPC as


VPC CIDR should be Public Subnet and private subnets CIDR should match with 2 bytes of VPC CIDR i.e ;

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