Home » Cisco » 300-410 » What should be configured on the hub to ensure it will be the designated router?
A DMVPN single hub topology is using IPsec + mGRE with OSPF. What should be configured on the hub to ensure it will be the designated router?
A. tunnel interface of the hub with ip nhrp ospf dr
B. OSPF priority to 0
C. route map to set the metrics of learned routes to 110
D. OSPF priority greater than 1
Correct Answer: D
Explanation/Reference:
Explanation:
By default, the priority is 1 on all routers so we can set the OSPF priority of the hub to a value which is greater than 1 to make sure it would become the DR.