I set up a hub VPC with 2 CRs. One for interconnects, and another for HA VPNs to connect to spoke VPCs. All CRs are set to advertise all subnets and learned routes. What do I need to allow end to end advertising of on prem prefixes learned over BGP? For eg: 10.0.0.0/24 is learned by Hub CR router that connects to the interconnect. The other Hub CR router that is used for HA VPN to other spoke VPCs should advertise the 10.0.0.0/24 down to the spoke VPC CRs. Do I need to add custom advertised subnet all along the way? I was hoping BGP dynamic propagation would take care of it. I'm not learning the routes in spoke VPCs.
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