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 . route map to set the metrics of learned routes to 110
B . OSPF priority to 0
C . OSPF priority greater than 1
D . tunnel interface of the hub with ip nhrp ospf dr

View Answer

Answer: C

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.