What protocol would you use for the following scenario? We have two sites that are connected by fiber. I want to build in some redundancy over a different medium. Since each site has internet with plenty of bandwisth, I was thinking of building a vpn and using that as a failover. I want the failover to be automatic, so we would need to use some sort of routing protocol that can handle that. It’s been a long time since I learned about the different protocols and haven’t ever implemented them irl. If I recall correctly, OSPF works based on link-state. Not sure if that’s sufficient or not. I’m imaging that if we have issues on the fiber, the link would show as down, so it would probably work well. Since it’s a simple and static topology, I don’t think I need to account for distance vectors or throughput. What are your opinions?
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