Considerations on vTGW to TGW Peering Link

Gilles Chekroun
Lead VMware Cloud on AWS Solutions Architect --- Recently I was talking with a Customer on designing their VMware Cloud on AWS environment and linking it to their existing AWS infrastructure. The idea was to have 2 SDDCs, Test and Prod, and link them with a VMware Managed TGW and peer it to their existing TGW. The customer requirements were: VMs in each SDDC should have internet access from the SDDC out VMs from Test should be able to talk to VMs in Prod VMs in any SDDC should be able to access their own vCenter but also the other one Some VMs any SDDC should have a Public IP and NAT rule to be accessible from outside VMware traffic should stay within VMware SDDCs Other traffic, like on-prem, should go via the Customer TGW Test Setup Step1 - Create SDDC Group Create an SDDC Group and attach the 2 SDDCs Prod and Test Make sure the proper FireWall rules are open in each SDDC Compute GW. Step 2 - Attach the Customer TGW In the SDDC Groups, under External TGW TAB, add t