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

The correct answer is B. 73. The metric is only "counted" on outbound interface. So when the path is R1 to R3, its 10+63 (as 63 is max when 300 is set on the outbound interface towards R3 when wide metrics is not If the traffic came the other way from R3 to R1, it would actually be 10+10 = 20

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Question

Exhibit:

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

Exhibit

Options

A301
B73
C20
D310

How the community answered

(38 responses)

A
3% (1)
B
79% (30)
C
13% (5)
D
5% (2)

Explanation

The metric is only "counted" on outbound interface. So when the path is R1 to R3, its 10+63 (as 63 is max when 300 is set on the outbound interface towards R3 when wide metrics is not If the traffic came the other way from R3 to R1, it would actually be 10+10 = 20

Topics

#IS-IS cost#metric calculation#path selection

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