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It is indeed possible to connect AWS and Azure via VPN if both of your VPNs terminate on prem. You need to make sure that there is no IP overlap between AWS, Azure and on-prem, and that your router on-prem handles the routing between the two Cloud Service Providers (it can be via BGP routing protocol).
回答済み 7ヶ月前
Thanks for the feedback! can you please clarify how to achieve this via bgp? is there any document I can refer to? Currently we have Static VPN's configured on the on prem.
The concept is explained here for AWS Site-to-Site VPN static and dynamic routing: https://docs.aws.amazon.com/vpn/latest/s2svpn/VPNRoutingTypes.html#vpn-static-dynamic. And you have example configurations here for different CGW: https://docs.aws.amazon.com/vpn/latest/s2svpn/cgw-dynamic-routing-examples.html. You can download the configuration file for different types of CGWs by following this article: https://repost.aws/knowledge-center/vpn-download-example-configuration-files. You should do the same on the Azure side. And finally you need to make sure that the routes received from AWS on your CGW via BGP are redistributed to Azure and the same for Azure routes to AWS.