I can make everything work with static routes, but OFSP will not work.
If I configure Site A with OSPF, Neighbors will list in the router, however they do not list in Site C for instance.
Site A and Site B have servers in them so all sites talk to these two over GRE tunnels.
Site C is going to be a backup connection for if Site A is down.
I would like to have routes move through Site A to Site C from all of the clients, but I would like them to move through Site B to Site C if Site A is down.
Another issue we run into is that sometimes one tunnel go down, I would like for this connection to traverse another path if that happens.
Or would it be better to setup a Tunnel between all sites? I would like to use OSBF and not Static.
Does anyone know why this configuration would not work? Is there a limitation between GRE and OSPF, or am I just doing it completely wrong in the first place?
I'm trying to Get OSPF to work between 19 + sites.
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