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Refer to the exhibit. The entire network has been configured with OSPF in area 0. All the interfaces in all routers have been correctly configured and are in operational status. How will the default route configured on router R1 affect the behavior of router R3?
NO EXHIBIT, SELECT THIS FOR CORRECT ANSWER
More-specific routes such as 192.168.10.64/26 will be favored first. Less-specific routes (such as 0.0.0.0/0) will be favored after, not considering the Administrative Distance of a routing protocol. Therefore the networks advertised by OSPF in router R1 (192.168.10.244/30, 192.168.10.128/26 and 192.168.10.64/26) will be reachable from Router R3. The default route ip route 0.0.0.0 0.0.0.0 serial 0/0 states that any packet with unknown destination and therefore not referenced in the routing table will be forwarded out serial 0/0, which points out back to router R3. Therefore a routing loop will be created. For more information refer to: [http://www.cisco.com/c/en/us/td/docs/security/asa/asa82/configuration/guide/config/route_static.html]
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