An important thing to note is that Neti is no longer required as Amazon has implemented ClassicLink [1] which solves the problem in a much tidier way.<p>[1] <a href="https://aws.amazon.com/blogs/aws/classiclink-private-communication-between-classic-ec2-instances-vpc-resources/" rel="nofollow">https://aws.amazon.com/blogs/aws/classiclink-private-communi...</a>