You created a firewall rule to protect the Routing Engine. After applying the rule, your OSPF
adjacencies dropped. How would you solve this problem?
A.
Create a firewall term that allows IP protocol 89.
B.
Define a router ID under the [edit routing-options] hierarchy.
C.
Configure the loopback interface under the [edit protocols ospf] hierarchy.
D.
Apply the firewall filter to the physical ports.