What is a reason for an OSPF router to display a designated router ID of 0.0.0.0? seenagape 9 years ago What is a reason for an OSPF router to display a designated router ID of 0.0.0.0? A.The MTU is mismatched. B.The subnet mask is mismatched. C.The interface type is point-to-point. D.The interface type is broadcast. Explanation: ← Previous question Next question →