Which feature accomplishes this task?

— Exhibit –

— Exhibit —
Refer to the Exhibit.
Each router in the exhibit is receiving three copies of the same IS-IS LSP from the other three
routers in the topology. The additional copies of the IS-IS LSPs are causing additional processing
overhead on each router. You want to reduce the overhead required to process the additional
copies of the same IS-IS LSP.
Which feature accomplishes this task?

A.
Configure traffic engineering.

B.
Configure mesh groups.

C.
Lower the CSNP interval.

D.
Increase the SPF delay.

Explanation: