Build Router HA Cluster with BGP Support

Hello,

i want to build a Router HA Cluster with two hardware servers. Each Node should have one IP per subnet and the default Gateway IP of the subnet would be a CARP IP bound to the active node.
So far this seems to be straight forward and would work great for static routing.
The router should also support BGP. For this i am consindering using FRR8.
My only question / concern is how do i assure that only the FRR on the "active" node having the gateway IP address is announcing routes.
Routes should always point to the active node or am i missing something there ?

Best regards
 
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