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Troubleshooting AWS S2S VPN connection with on-prem network

The issue was caused by the on-premise network's VPN not using the AWS VPN tunnel's inside IPv4 CIDR range in its interface, once the connection was set up with the tunnel's outside IP address and ...
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AWS Site-to-Site VPN with BGP - how routes are advertized via BGP?

When you attach a Virtual Private Gateway (VGW) to your VPC, and you have a Dynamic VPN (the one that uses BGP), AWS will advertise all VPC CIDRs to your Customer Gateway (CGW). AWS advertises VPC ...
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