Showing posts from December, 2018

AWS Transit Gateway and VMware Cloud on AWS

Gilles Chekroun
Lead VMware Cloud on AWS Specialist

With the release of AWS transit Gateway, connecting VPCs to VMware Cloud on AWS became much more easy.
This blog post will go through the detailed setup for the TGW and Firewall rules on VMC.
NSX-T SDDC and the Transit GatewaySince November 2018, all new SDDCs deployed will be NSX-T based.
I am assuming that the reader is familiar with that deployment and will have an SDDC ready.
The goal of the AWS Transit Gateway is to allow easy, scalable and performant connectivity between multiple VPCs.
Our lab setup will be something like the schema below.
Lab SetupOn VMware Cloud on AWS side we have two Logical segments ( and .2.0/24). On segment 1, a small Linux machine (.9) and ubuntu machine (.17). On segment 2 just a small Linux machine (.2) so we can do ping tests.
On the side AWS side, I deployed two VPCs (VPC2 and VPC3) with CIDR of and
In each one I have a small EC2 instance (.159 on VPC2 and .174 …