OSPF neighbor not forming. Exhibit shows DBD packets are being re-transmitted to the neighbor. Debug shows that Exstart state to Down. What is the reason?
A. MTU mismatch
B. The router did not receive a Hello packet
C. OSPF is not running on the other router
D. The packet does not have RID
Answer:A
OSPF neighbor not forming. Exhibit shows DBD packets are being re-transmitted to the neighbor. Debug shows that Exstart state to Down. What is the reason?
A. MTU mismatch B. The router did not receive a Hello packet C. OSPF is not running on the other router D. The packet does not have RID