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300-510 · Question #120

Refer to the exhibit. A network engineer configured routers R1 and R5 to run in IS-IS Level 1 mode and router R6 to run in IS-IS Level 2 mode. All other routers are running as Level 1 / Level 2…

The correct answer is C. Change the link metric for the link from router R1 to router R2 to 1. The default link metric for IS-IS is 10, so changing the link from R1 to R2 to 1 will change the overall metric to R6 to 9 (8+1).

Routing Policy and Manipulation

Question

Refer to the exhibit. A network engineer configured routers R1 and R5 to run in IS-IS Level 1 mode and router R6 to run in IS-IS Level 2 mode. All other routers are running as Level 1 / Level 2 routers. An engineer expects traffic from R1 to R6 to pass via R2, but IS-IS routing has calculated the best path via R4. Which action corrects the problem?

Exhibit

300-510 question #120 exhibit

Options

  • AConfigure all routers as Level 1 routers.
  • BRemove the link metric for the link from router R1 to router R2.
  • CChange the link metric for the link from router R1 to router R2 to 1.
  • DConfigure all routers as Level 1 / Level 2 routers.

How the community answered

(36 responses)
  • A
    8% (3)
  • B
    3% (1)
  • C
    75% (27)
  • D
    14% (5)

Explanation

The default link metric for IS-IS is 10, so changing the link from R1 to R2 to 1 will change the overall metric to R6 to 9 (8+1).

Topics

#IS-IS Routing#Routing Metrics#Path Manipulation

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