AWS <-> GCP HA-VPN (Terraform)

Overview

Build a high-availability site-to-site VPN between AWS and GCP using BGP. Validate with instances on each side.

Tech

AWS VGW/CGW, GCP HA VPN + Cloud Router, Terraform modules, BGP ASN plan.

Steps

• Plan ASNs & linknets
• terraform apply for AWS side, then GCP side
• Verify BGP established; test connectivity

Evidence

Add screenshots: BGP sessions up, traceroute, ping.