Q21
Single choice
Refer to the exhibit.
A network engineer commissioned Router 1, which connects to Router 2 and Router 5. Router 1 participates in IS-IS routing with other routers, but it is not used for transit traffic. Traffic from Router 2 to Router 5 is expected to travel via Router 1, but the traffic is traveling via Router 3 and Router 4.
Which action resolves this problem?