An attacker attaches a rogue router in a network. He wants to redirect traffic to a LAN attached to his router as part of a man-in-the-middle attack. What measure on behalf of the legitimate admin can mitigate this attack?

A. Make sure that legitimate network routers are configured to run routing protocols with authentication.
B. Disable all routing protocols and only use static routes
C. Only using OSPFv3 will mitigate this risk.
D. Redirection of the traffic cannot happen unless the admin allows it explicitly.