- Bronze, 100 points or more
How can i configure ospf between 2 routers via routers doesn't run ospf ?
The problem that you are experiencing is recursive routing. It is a fairly common problem with GRE tunnels. The problem occurs when the tunnel end point gets advertised in the routing protocol over the tunnel.
Before you added redistribute connected your tunnels worked because they got to the tunnel end point (tunnel destination) using the default route that was configured. When you added redistribute connected then the tunnel end point address was advertised in OSPF over the tunnel. Now the router is trying to get to the end point of the tunnel by going through the tunnel instead of by going through a physical interface. Either remove the redistribute connected or use a filter on the redistribute connected so that the tunnel end point is not advertised through the tunnel.