Which command should be configured on R3 router under the IS-IS process?

Refer to the exhibit. IS-IS configuration has been deployed using the default IS-IS metric value and default IS- IS metric-style. The SP decides to implement MPLS TE in all routers, except R5. In order to maintain IS-IS adjacency between R3 and R5 without impacting reachability, which command should be configured on R3 router under the IS-IS process?


A. metric-style narrow
B. metric-style wide
C. metric-style narrow transition
D. metric-style transition

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