What will the IS-IS cost be for R3 to reach R1?

Referring to the exhibit, what will the IS-IS cost be for R3 to reach R1?

A. 301
B. 73
C. 20
D. 310

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0 thoughts on “What will the IS-IS cost be for R3 to reach R1?

  1. C is the correct answer as ISIS set metric on outbound interface: 10 on R3 ge-0/0/1 + 10 on R2 ge-0/0/0 = 20

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