This blog post was originally posted on the ShapeBlue website: http://www.shapeblue.com/vpc-to-vpc-vpn-configuration-in-cloudstack/
Introduction
Configuring connectivity between CloudStack hosted VPCs can be done by either using private gateways – which has to be configured by CloudStack root administrators to use dedicated network segments – or by using VPC-to-VPC connections, which can be configured by the CloudStack end user without admin input. 1,336 more words