This question is not answered. Helpful answers available: 2. Correct answers available: 1. I have setup VPC with public private subnet using the wizard on VPC console. The default NAT instance that is created is based on Amazon LINUX and it works perfectly fine. To test whether I can make an ubuntu machine act as NAT, I created an ubuntu instance using ami-a0ba68c9 which is 11.10 oneiric. I disab