In a hub and spoke WAN topology, OSPF is configured as area 0 in core and area 1 on the spoke routers. One of the spoke router is connected has two router in that area 1. I wanted to allow only two subnets to be available in the end router R4. Is this possible to control the routes filtering from interface connecting between R3 and R4? I want to allow routes for only 2 subnets to be advertised from R3 to R4. I dont want to apply any distribution list IN on R4. As I cant apply distribution list OUT on the interface connecting between R3 & R4. Is their any solution, apart from area filter list on ABR [R2] ?
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