what is the IS-IS total path metric value between R1 and R2?

— Exhibit –

— Exhibit —
Wide metrics have not been enabled in your IS-IS network.
Referring to the exhibit, what is the IS-IS total path metric value between R1 and R2?

— Exhibit –

— Exhibit —
Wide metrics have not been enabled in your IS-IS network.
Referring to the exhibit, what is the IS-IS total path metric value between R1 and R2?

A.
1023

B.
63

C.
1134

D.
1197



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Zhenia

Zhenia

IS-IS uses a single, required, default metric with a maximum path value of 1023. The metric is arbitrary and a network administrator typically assigns it.
Any single link can have a maximum value of 63; path metrics are calculated by summing link values.

Ese

Ese

The old style metric is a 6 bits field. So it offers at most 64 different metrics (0 to 63). Moreover the aggregated metric (max cost) was limited to 1023.